Mark builds an apartment that is 16 by 10 feet. There are 6 rooms in total. All the rooms are the same size except the living room which is as big as 3 other rooms. How big is the living room?

How many square feet are in the apartment? ** Total square footage is 16*10=

<<16*10=160>>160 square feet How many square feet are in the apartment? ** How many rooms are there? ** There are 3+3=<<3+3=6>>6 rooms How many rooms are the same size? ** 6-1=<<6-1=5>>5 of them are the same size How many square feet are all the rooms? ** If x is the size of the normal room then the square footage of all rooms is 5x+3x=8x How many square feet are each room? ** So each room is 160/8=<<160/8=20>>20 square feet How big is the living room? ** So the living room is 20*3=<<20*3=60>>60 square feet #### 60 Michelle is bringing sandwiches to work to give to her co-workers. She gives 4 sandwiches to one of her co-workers and keeps twice this amount for herself. If she had originally made 20 sandwiches, how many sandwiches does she have left to give to her other co-workers? How many sandwiches did Michelle keep for herself? ** Michelle kept 4 sandwiches * 2 = <<4*2=8>>8 sandwiches for herself. How many sandwiches does Michelle have left to give to her other co-workers? ** This leaves 20 total sandwiches – 4 sandwiches for a coworker – 8 sandwiches for herself = <<20-4-8=8>>8 sandwiches for her other co-workers. #### 8 10 people attended class on Monday, 15 on Tuesday, and 10 on each day from Wednesday through Friday. What was the average number of people who attended class each day? How many people attended class? ** A total of 10 + 15 + 10 + 10 + 10 = <<10+15+10+10+10=55>>55 people attended class across the 5 days What was the average number of people who attended class each day? ** An average of 55 people / 5 days = <<55/5=11>>11 people per day attended class #### 11 Ryan started with 36 tokens at the arcade. Ryan wasted a third of his tokens on Pac-Man, a fourth of his tokens on Candy Crush, and 7 on Ski-ball. Then, his parents bought him seven times as many tokens as he spent on Ski-ball. How many tokens did Ryan end up with? How many tokens did Ryan use on Pac-Man? ** Ryan used 36/3 = <<36/3=12>>12 tokens on Pac-Man. How many tokens did Ryan use on Candy Crush? ** Ryan used 36/4 = <<36/4=9>>9 tokens on Candy Crush. How many tokens did Ryan use on all three games? ** Ryan used a total of 12+9+7 = <<12+9+7=28>>28 tokens on all three games. How many tokens did Ryan have left? ** Ryan had 36-28 = <<36-28=8>>8 tokens left. How many tokens did Ryan's parents buy him? ** Ryan’s parents bought him 2*7 = <<2*7=14>>14 more tokens. How many tokens did Ryan end up with? ** Ryan had 8+14 = <<8+14=22>>22 tokens after his parents bought him some. #### 22 In Fifi's closet, she hangs all of her clothes on colored plastic hangers. She has clothes hanging on 7 pink hangers, 4 green hangers, one less blue hanger than there are green hangers, and one less yellow hanger than there are blue hangers. What is the total number of colored hangers in Fifi's closet? How many blue hangers are there? ** With 4 green hangers, 1 less blue hanger than there are green hangers is 4-1=<<4-1=3>>3 blue hangers. How many yellow hangers are there? ** With 3 blue hangers, 1 less yellow hanger less than there are blue hangers is 3-1=<<3-1=2>>2 yellow hangers. What is the total number of colored hangers in Fifi's closet? ** With 7 pink hangers, the total number of colored hangers in Fifi's closet is 7+4+3+2=<<7+4+3+2=16>>16 hangers. #### 16 Napoleon has 17 jelly beans and Sedrich has 4 more jelly beans than Napoleon. If twice the sum of Napoleon and Sedrich's jelly beans is 4 times the number of jelly beans that Mikey has, how many jelly beans does Mikey have? How many jelly beans does Sedrich have? ** Sedrich has 17 + 4 = <<17+4=21>>21 jelly beans. What is the sum of Napoleon and Sedrich's jelly beans? ** The sum of Napoleon and Sedrich's jelly beans is 17 + 21 = <<17+21=38>>38 jelly beans. What is twice the sum? ** Twice the sum is 38 x 2 = <<38*2=76>>76 jelly beans. How many jelly beans does Mikey have? ** Mikey has 76/4 = <<76/4=19>>19 jelly beans. #### 19 To win a brand new Bible at Tom Sawyer's Sunday school, a pupil has to win 10 yellow tickets; each yellow ticket is obtained by trading in 10 red tickets; each red ticket is obtained by trading in 10 blue tickets; and blue tickets are earned by memorizing two Bible verses. But rather than go to all that trouble, Tom Sawyer has traded various toys and treasures of his with his friends until he has gathered 8 yellow, 3 red, and 7 blue tickets. How many more blue tickets would he need to earn to win a new Bible? How many blue tickets are in a yellow ticket? ** A red ticket is equal to 10 blue tickets, and a yellow is equal to ten red tickets, so a yellow ticket is also equal to 10 * 10 = <<10*10=100>>100 blue tickets. How many blue tickets are in a Bible? ** It takes 10 yellow tickets to win a Bible, or 10 * 100 = <<10*100=1000>>1000 blue tickets. How many blue tickets are in Tom's 8 yellow tickets? ** Tom has 8 yellow tickets, which are worth 8 * 100 = <<8*100=800>>800 blue tickets. How many blue tickets are in Tom's 3 red tickets? ** He also has 3 red tickets, which are worth 3 * 10 = <<3*10=30>>30 blue tickets. How many blue tickets are in Tom's total? ** Added with his 7 blue tickets, he has 800 + 30 + 7 = <<800+30+7=837>>837 blue tickets' worth of tickets. How many more blue tickets would he need to earn to win a new Bible? ** So he still needs to earn 1000 - 837 = <<1000-837=163>>163 blue tickets. #### 163 While buying DVDs at the store, Maria received a 25% discount. If the discount she received is $40, how much did she pay in total? How much did Maria pay in total? ** Since 100 percent represent the original price, and she received a 25% discount which is $40, the original price is 100/25*40 = <<100/25*40=160>>160 How much did Maria pay in total? ** Maria paid $160-$40 = $<<160-40=120>>120 after receiving the twenty-five percent discount. #### 120 55% of Toby's friends are boys and the rest are girls. If he has 33 friends who are boys, how many friends does he have who are girls? How many friends does Toby have? ** Toby has 60 friends because 33 / .55 = <<33/.55=60>>60 How many friends are girls? ** 45% of his friends are girls because 100 - 55 = <<100-55=45>>45 How many friends are girls? ** He has 27 friends who are girls because 60 x .45 = <<27=27>>27 #### 27 Mark wants to order a pair of slippers for his wife with her initials embroidered on top. The slippers are currently $50.00 and are 10% off. The embroidery will be $5.50 per shoe and shipping is a flat rate of $10.00. How much will the slippers cost? How much are the slippers currently? ** The slippers are $50.00 and currently 10% off so that’s 50*.10 = $<<50*.10=5.00>>5.00 discount How much are the slippers after the discount? ** The slippers are $50.00 with a $5.00 discount which makes them 50-5 = $<<50-5=45.00>>45.00 How much will the embroidery be? ** The embroidery will be $5.50 per shoe, and 2 shoes make a pair so it will cost 5.50*2 = $<<5.50*2=11.00>>11.00 How much will the slippers cost? ** The shoes are on sale for $45.00, the embroidery will be $11.00 and the shipping is $10.00 for a total of 45+11+10 = $<<45+11+10=66.00>>66.00 #### 66