Jonah bought 6 pineapples for $3 each. Each pineapple could be cut into 12 pineapple rings. He sold 4 pineapple rings for $5 each. How much profit did Jonah make?

How much did Jonah spend? ** Jonah spent 6 x $3 = $

<<6*3=18>>18 How many pineapple rings did Jonah make? ** He made a total of 6 x 12 = <<6*12=72>>72 pineapple rings. How many sets of pineapple rings did Jonah sell? ** He sold 72/4 = <<72/4=18>>18 sets of pineapple rings. How much did Jonah make? ** He made 18 x $5 = $<<18*5=90>>90 How much profit did Jonah make? ** His profit was $90 - $18 = $<<90-18=72>>72 #### 72 Mrs. Smith wanted to buy wears worth $500. She went to a boutique with the $500 but by the time she had picked out everything she liked, she realized that she would need two-fifths more money than she had. If the shop owner gave her a discount of 15%, how much more money will she still need? How much money will she need? ** Two fifths of $500 is (2/5)*$500 = $<<(2/5)*500=200>>200 How much money will she need? ** She needed $200 more than $500 which is $200+ $500 = $<<200+500=700>>700 How much money will she need? ** 15% of $700 is (15/100)*$700 = $<<(15/100)*700=105>>105 How much money will she need? ** She was given a $105 discount so she has to pay $700-$105 = $595 How much more money will she still need? ** She would still need $595-$500= $<<595-500=95>>95 #### 95 At a certain bookstore, the best-selling book, "TOP," costs $8. The least-selling book, "ABC," costs $23. Thirteen "TOP" books and four "ABC" books were sold last week. What is the difference in the bookstore's earnings on these two books last week? How much did the bookstore make on "TOP" books? ** On "TOP" books the bookstore made 13 * 8 = $<<13*8=104>>104. How much did the bookstore make on "ABC" books? ** The "ABC" books, on the other hand, were sold for a total of 4 * 23 = $<<4*23=92>>92. What is the difference in the bookstore's earnings on these two books last week? ** The difference between earnings from these two books is 104 - 92 = $<<104-92=12>>12. #### 12 The perimeter of a triangle is 160 cm. If two of the sides are 40 cm and 50 cm, calculate the length of the third side? How many sides are there? ** To get the perimeter, you add all the sides o the triangles, so the first two sides add up to 40+50 = <<40+50=90>>90 cm. How long is the remaining side? ** If the perimeter of the triangle is 160, the remaining side is 160-90 = <<160-90=70>>70 cm. #### 70 Before getting to work, Jess has a few errands to run. Jess has to walk 11 blocks to the store and 6 blocks to the gallery, before walking the final 8 blocks to arrive at work. If Jess has already walked 5 blocks, how many more blocks must she walk before arriving at work? How many blocks does Jess need to walk? ** Jess needs to walk 11 blocks + 6 blocks + 8 blocks = <<11+6+8=25>>25 blocks total. How many more blocks does Jess need to walk? ** Jess needs to go 25 blocks – 5 = <<25-5=20>>20 blocks to get to work. #### 20 There are 40 Judges in the state of Rhode Island. 10 percent of Judges are under 30 years old. 60 percent of Judges are 30-50 years old. The rest of the Judges are over 50 years old. How many Judges are over 50 years old? How many judges are under 30 years old? ** Under 30: 40(.10)=4 How many judges are 30-50 years old? ** 30-50 years old:40(.60)=24 How many judges are over 50 years old? ** Over 50:40-4-24=12 Judges #### 12 Hally and her friends organized a high school reunion. To cover the cost of a late-night party that they planned for at the reunion, each attendee had to pay $100. After the party, Hally and her friends realized that the total expenses were $500 less than the total contributions. If there were 50 people at the party, how much money was used to pay for the party expenses? How much money was planned to be spent on the party? ** The total planned cost for the party was 100*50 = $<<100*50=5000>>5000 How much money was spent on the party? ** The total expenses for the party are 5000-500 = $<<5000-500=4500>>4500 #### 4500 There is a 5,200 sq. ft. house and a 7,300 sq. ft. house next to each other. The smaller house is being expanded. If the new total square footage of both houses is 16,000 sq. ft., how much is the smaller house being expanded by, in sq. ft.? What is the total square footage of the houses, originally? ** Originally, the houses are 7300+5200=<<7300+5200=12500>>12500 sq. ft. in total. How many sq. ft. is the smaller house being expanded by? ** The smaller house will be expanded by 16000-12500=<<16000-12500=3500>>3500 sq. ft. #### 3500 MIlle is making snack packs for her kindergarten class. She's going to divide 64 pretzels, four times as many goldfish, and 32 suckers into baggies for the 16 kids in the class. How many items does each baggie have? How many goldfish does Millie add? ** First find the total number of goldfish Millie adds: 64 pretzels * 4 goldfish/pretzel = <<64*4=256>>256 goldfish How many snacks does Millie add? ** Then add the number of each kind of snack to find the total: 256 goldfish + 64 pretzels + 32 suckers = <<256+64+32=352>>352 snacks How many snacks are in each baggie? ** Then divide the total number of snacks by the number of baggies to find the number of snacks per baggie: 352 snacks / 16 baggies = <<352/16=22>>22 snacks/baggie #### 22 Michael has a lot of matchsticks at home and decides to use them to make miniature models. As he is about to start crafting, he has second thoughts and decides to only use half of his pile of matchsticks. He creates 30 matchsticks houses. If he has now used all of the matchsticks he intended to and each matchstick house uses 10 matchsticks, how many matchsticks did Michael have originally? How many matchsticks did Michael use? ** Michael has used a total of 30 matchstick houses * 10 matchsticks per matchstick house = <<30*10=300>>300 matchsticks. How many matchsticks did Michael have originally? ** As he only used half of his collection for crafting, he must have originally had 300 matchsticks * 2 = <<300*2=600>>600 matchsticks. #### 600