Billy and Tiffany are having a contest to see how can run the most miles in a week. On Sunday, Monday, and Tuesday, Billy runs 1 mile each day and Tiffany runs 2 miles each day. On Wednesday, Thursday, and Friday, Billy runs 1 mile each day and Tiffany runs a 1/3 of a mile each day. On Saturday Tiffany assumes she's going to win and takes the day off. How many miles does Billy have to run on Saturday to tie Tiffany?

How many miles has Billy run? ** Billy has already run 6 miles because 1 plus 1 plus 1 plus 1 plus 1 plus plus 1 equals 6

How many miles has Tiffany run? ** Tiffany has already run 7 miles because 2 plus 2 plus 2 plus 1/3 plus 1/3 plus 1/3 equals

<<2+2+2+1/3+1/3+1/3=7>>7 How many miles does Billy have to run to tie Tiffany? ** Billy has to run 1 mile to tie Tiffany because 7 minus 6 equals 1. #### 1 Sasha made 30 chocolate muffins for her school bake sale fundraiser. Melissa made 4 times as many muffins as Sasha, and Tiffany made half of Sasha and Melissa's total number of muffins. If one muffin sold for $4, how much money did Sasha, Melissa, and Tiffany contribute to the fundraiser? How many muffins did Melissa make? ** Melissa made 30 x 4 = <<30*4=120>>120 muffins How many muffins did Sasha and Melissa make together? ** Together, Melissa and Sasha made 30 + 120 = <<30+120=150>>150 muffins How many muffins did Tiffany make? ** Tiffany made 150/2 = <<150/2=75>>75 muffins How many muffins did Sasha, Melissa, and Tiffany make altogether? ** Altogether, they made 150 + 75 = <<150+75=225>>225 muffins How much money did Sasha, Melissa, and Tiffany contribute to the fundraiser? ** They contributed 225 x $4 = $<<225*4=900>>900 to the fundraiser #### 900 John decided to start rowing around a square lake. Each side of the lake is 15 miles. Jake can row at twice the speed he can swim. It takes him 20 minutes to swim 1 mile. How long, in hours, does it take to row the lake? How many miles are in the perimeter of the lake? ** The perimeter of the lake is 4*15=<<4*15=60>>60 miles How fast does Jake swim? ** He swims at a speed of 60/20=<<60/20=3>>3 mph How fast does Jake row? ** So he rows at a speed of 3*2=<<3*2=6>>6 mph How long, in hours, does it take to row the lake? ** That means it takes him 60/6=<<60/6=10>>10 hours to row around the lake #### 10 Holly loves to drink chocolate milk. With breakfast, she drinks 8 ounces of chocolate milk before leaving for work. During her lunch break, she buys a new 64-ounce container of chocolate milk and then drinks 8 ounces of it. With dinner, she drinks another 8 ounces of chocolate milk. If she ends the day with 56 ounces of chocolate milk, how many ounces of chocolate milk did she begin the day with? How many ounces of chocolate milk did she have at dinner? ** Before dinner, she had 56+8=<<56+8=64>>64 ounces of CM. How many ounces of chocolate milk did she have at lunch? ** Before drinking 8 ounces of CM during lunch, she had 64+8=<<64+8=72>>72 ounces of CM. How many ounces of chocolate milk did she have before buying a new container? ** Before buying 64 ounces of CM, she had 72-64=<<72-64=8>>8 ounces of CM. How many ounces of chocolate milk did she have before breakfast? ** And before breakfast, she had 8+8=<<8+8=16>>16 ounces of chocolate milk. #### 16 Mary is building a mosaic for her school cafeteria's wall. It will be 10 feet tall and 15 feet long. Each tile she uses is 1 inch square. How many tiles will she need? How many inches are in the length of the mural? ** First convert the length of the mural to inches: 15 feet * 12 inches/foot = <<15*12=180>>180 inches How many inches are in the height of the mural? ** Then convert the height of the mural to inches: 10 feet * 12 inches/foot = <<10*12=120>>120 inches How many tiles will she need? ** Then multiply the length and the height to find the total area of the mural: 180 inches * 120 inches = <<180*120=21600>>21600 square inches. Since each tile is 1 square inch, this is also the number of tiles she needs. #### 21600 Barbara got a great deal on a new chest of drawers, but she has to take a lot of paper out of the drawers to be able to use it. She found 3 bundles of colored paper, 2 bunches of white paper, and 5 heaps of scrap paper. If a bunch holds 4 sheets of paper, a bundle holds 2 sheets of paper, and a heap holds 20 sheets of paper, how many sheets of paper did Barbara remove from the chest of drawers? How many sheets of colored paper did Barbara remove? ** Of the colored paper, Barbara removed 3 * 2 = <<3*2=6>>6 sheets of paper. How many sheets of white paper did Barbara remove? ** Of the white paper, she removed 2 * 4 = <<2*4=8>>8 sheets of paper. How many sheets of scrap paper did Barbara remove? ** Of the scrap paper, she removed 5 * 20 = <<5*20=100>>100 sheets of paper. How many sheets of paper did Barbara remove? ** So in total, Barbara removed 6 + 8 + 100 = <<6+8+100=114>>114 sheets of paper. #### 114 Oliver is working out in a gym. On Monday he worked out for 4 hours, and the next day for 2 hours less. On Wednesday he decided to work out twice as much as on Monday. On Thursday the gym was closed, so Oliver needed to exercise at home which took twice as much time as on Tuesday. How many hours in total have Oliver worked out during these four days? How many hours did Oliver work out on Tuesday? ** On Tuesday, Oliver worked out for 4 - 2 = <<4-2=2>>2 hours. How many hours did Oliver work out on Wednesday? ** On Wednesday he decided to work out twice as much as on Monday, so for 2 * 4 = <<2*4=8>>8 hours. How many hours did Oliver train at home on Thursday? ** On Thursday, at home, Oliver trained twice as much as on Tuesday, so for 2 * 2 = <<2*2=4>>4 hours. How many hours in total have Oliver worked out during these four days? ** In total Oliver trained for 4 + 2 + 8 + 4 = <<4+2+8+4=18>>18 hours. #### 18 Two brick walls are being built. Each wall has 30 bricks in a single row and there are 50 rows in each wall. How many bricks will be used to make both walls? How many bricks are in each wall? ** Each brick wall needs 30 x 50 = <<30*50=1500>>1500 bricks. How many bricks will be used to make both walls? ** Thus, the two walls need 1500 x 2 = <<1500*2=3000>>3000 bricks. #### 3000 After shearing her 200 sheep, Azalea paid the shearer who had come to help her with the work $2000 for his job. Each of the sheared sheep produced 10 pounds of wool. If Ms. Azalea sold a pound of wool at $20, how much profit did she make from the produce of her sheep farm? How many pounds of wool did Azalea get after the shearing of the sheep? ** Since there were 200 sheep, the amount of wool Azalea got after the shearing of the sheep is 200*10 = <<200*10=2000>>2000 pounds of wool. How much money did Azalea make from the sheep farm? ** If she sold one pound of wool at $20, the total amount of money she made from the sheep farm is 2000*$20 = $<<2000*20=40000>>40000 How much profit did Azalea make from the sheep farm? ** Her profit, which is $2000 less the amount of money she paid to the shearer, is $40000-$2000 = 38000 #### 38000 When Pogo, the four-legged martian, walks across the soft Martian soil, it leaves 4 footprints every meter. But Grimzi, the three-legged Plutonian, leaves only 3 footprints in the soft sands of Pluto for every 6 meters it walks. If Pogo travels 6000 meters across the soil of Mars, and Grimzi travels for 6000 meters across the fine sands of Pluto, what is the combined total number of footprints the two creatures will leave on the surfaces of their respective planets? How many footprints does Pogo leave on the soils of Mars? ** Since Pogo leaves 4 prints per meter, then over 6000 meters it would leave 4*6000=<<4*6000=24000>>24,000 footprints on the soils of Mars. How many footprints does Grimzi leave on the sands of Pluto? ** Grimzi leaves 3 prints per 6 feet, or 3/6=0.5 footprints per meter. How many footprints does Grimzi leave on the sands of Pluto? ** Then over 6000 meters, Grimzi leaves 0.5*6000=<<0.5*6000=3000>>3000 footprints on the sands of Pluto. What is the combined total number of footprints the two creatures will leave on the surfaces of their respective planets? ** In total, the two creatures will leave 24,000+3000=<<24000+3000=27000>>27,000 footprints. #### 27,000