Josiah is three times as old as Hans. Hans is 15 years old now. In three years, what is the sum of the ages of Josiah and Hans?

Josiah is 15 x 3 =

<<15*3=45>>45 years old now. In three years, Josiah will be 45 + 3 = <<45+3=48>>48 years old. Hans will be 15 + 3 = <<15+3=18>>18 years old in three years. So, the sum of their ages in three years is 48 + 18 = <<48+18=66>>66 years old. #### 66 In a week, 450 cars drove through a toll booth. Fifty vehicles went through the toll booth on Monday and the same number of vehicles drove through the toll booth on Tuesday. On each of Wednesday and Thursday, twice the number of cars that passed through the toll booth on Monday went through the toll booth. If, for the remaining of the days of the week, an equal number of vehicles passed through the toll booth, calculate the total number of cars that passed the toll both in each of the remaining days. There were 50+50 = <<50+50=100>>100 cars that went through the toll booth on Monday and Tuesday. On Wednesday, the number of cars that went through the toll booth is 2*50 = <<2*50=100>>100. The exact number of cars passed through the toll booth on Thursday as Wednesday, giving a total of 100+100 = <<100+100=200>>200 vehicles going through the toll booth in the two days. There were 200+100 = <<200+100=300>>300 cars that passed through the toll booth from Monday to Thursday. If the total number of cars passed through the toll booth in the week was 450, then 450-300 = <<450-300=150>>150 vehicles went through the toll booth on the remaining days. Since there were an equal number of cars in the toll booth on each of the remaining days, there were 150/3 = <<150/3=50>>50 cars on each day. #### 50 Last week, Charles bought a t-shirt for $30, a backpack for $10, and a blue cap for $5. The store gave him a discount and, in total, he only spent $43. How much of a discount did they give him, in dollars? The purchases he made totaled $30 + $10 + $5 = $<<30+10+5=45>>45 He should pay $45, but he only paid $43, so $45 - $43 = $<<45-43=2>>2 was the discount they gave him #### 2 Leila bought a living room set consisting of a sofa worth $1,250, 2 armchairs costing $425 each and a coffee table. The total amount of the invoice is $2,430. What is the price of the coffee table? The price of 2 armchairs is $425 x 2 = $<<425*2=850>>850. Mrs. Dubois will pay $850 for the 2 seats. Thus the Coffee table price is $2,430 – ($1,250 + $850) = $2,430 – $2,100 = $<<2430-2100=330>>330 #### 330 Betty & Paige are raising money for their kids' little league team by hosting a bake sale. Betty has baked 4 dozen chocolate chip cookies, 6 dozen oatmeal raisin cookies and 2 dozen regular brownies. Paige baked 6 dozen sugar cookies, 3 dozen blondies and 5 dozen cream cheese swirled brownies. If they sell the cookies for $1.00 apiece and the blondies/brownies at $2.00 apiece, how much money will they raise? Together, they made 4+6+6 dozen cookies for a total of 16 dozen cookies. One dozen equals 12 cookies, so 12 *16 = <<12*16=192>>192 cookies Together, they made 2+3+5 = <<2+3+5=10>>10 dozen blondies/brownies One dozen equals 12 brownies so 12*10 = <<12*10=120>>120 blondies/brownies They sold the cookies for $1.00 each so 1(192 = $<<192=192.00>>192.00 in cookies They sold the blondies/brownies for $2.00 each so 2*120 = $<<2*120=240>>240 in blondies/brownies Together, they made 192+240 = $<<192+240=432.00>>432.00 for the little league team #### 432 Over several years, Daniel has adopted any stray animals he sees on the side of the road. He now has 2 horses, 5 dogs, 7 cats, 3 turtles, and 1 goat. All of the animals are perfectly healthy. In total, how many legs do his animals have? He has 2 horses, 5 dogs, 7 cats, 3 turtles and 1 goat so in total he has 2+5+7+3+1 = <<2+5+7+3+1=18>>18 animal Each animal has 4 legs so 18*4 = <<18*4=72>>72 legs total #### 72 Xander read 20% of his 500-page book in one hour. The next night he read another 20% of the book. On the third night, he read 30% of his book. How many pages does he have left to read? The first night he read 20% of his 500-page book so he read .20*500 = <<20*.01*500=100>>100 pages The book is 500 pages and he read 100 so that leaves 500-100 = <<500-100=400>>400 pages The second night he reads 20% of the 500 pages so he read .20*500 = <<20*.01*500=100>>100 pages The book is now 400 pages and he read 100 so that leaves 400-100 = <<400-100=300>>300 pages The third night he read 30% of the book so he read .30*500 = <<30*.01*500=150>>150 pages The book is now 300 pages and he read 150 pages so he has 300-150 =<<300-150=150>>150 pages left to read #### 150 Laticia knitted 4 pairs of socks for her nephew. She did such a good job that everyone asked her to start selling them. In the first week, she knitted 12 pairs of socks. In the second week, she knitted 4 more pairs than the week before. On the third week, she only knitted half of the total of the first two weeks. In the fourth week, she knitted 3 fewer pairs than the week before. How many pairs of socks did Laticia knit altogether? In the second week, she knitted 12 + 4 = <<12+4=16>>16 pairs of socks In the first two weeks, she knitted 12 + 16 = <<12+16=28>>28 pairs of socks On the third week, she knitted 28/2 = <<28/2=14>>14 pairs of socks On the fourth week, she knitted 14 - 3 = <<14-3=11>>11 pairs of socks Altogether, Laticia knitted 4 + 12 + 16 +14 + 11 = <<4+12+16+14+11=57>>57 pairs of socks #### 57 Josue planted a tree in his backyard that grows at the rate of 2 feet per week. If the tree is currently 10 feet tall, what would be the tree's total height after 4 months (assuming each month is 4 weeks long)? Since a month has four weeks, the tree will increase its height by 2 feet for 4*4=16 weeks after four months of growing. Since the tree grows at 2 feet per week, after 16 weeks, the tree would have increased its height by 2*16=<<2*16=32>>32 feet. If the tree is currently 10 feet tall, its height after four months will be 10+32=<<10+32=42>>42 feet. #### 42 Candace decides to enter a race. The race is run in 4 segments, with racers eliminated at the end of each segment. 10 racers are eliminated after the first segment. A third of the remaining racers are eliminated after the next section. Half of the remaining racers are eliminated before the last leg of the race. If 100 racers started the race, how many will run in the final section of the race? After the first segment, there are 100 – 10 = <<100-10=90>>90 racers left in the race. After the second segment, 90 / 3 = <<90/3=30>>30 racers are eliminated. This leaves 90 – 30 = <<90-30=60>>60 racers to compete in the third segment. After the third segment, 60 / 2 = <<60/2=30>>30 more racers are eliminated. This leaves 60 – 30 = <<60-30=30>>30 racers to run in the final section of the race. #### 30