Toby is making toast and adding peanut butter to it. He wants to make sure he has 500 calories for breakfast. A piece of bread has 100 calories. A serving of peanut butter has 200 calories. If he has one piece of bread, how many servings of peanut butter should he add?

He needs 400 calories worth of peanut butter because 500 - 100 =

<<500-100=400>>400 He needs 2 servings of peanut butter because 400 / 200 = <<400/200=2>>2 #### 2 Mary's sheep can run 12 feet per second, and her sheepdog can run 20 feet per second. A sheep standing 160 feet away from the sheep dog bolts, and the dog runs after it. How many seconds does it take the dog to catch the sheep? First find how much faster the dog is than the sheep: 20 feet/second - 12 feet/second = <<20-12=8>>8 feet/second Then divide the distance the dog needs to run by the speed difference: 160 feet / 8 feet/second = <<160/8=20>>20 seconds #### 20 Mrs. Brynlee reduced the prices of items in her store by 20% after the local government gave small businesses in her county a subsidy. If the price of a shirt in the store was $60 and that of the leather jacket was $90, calculate the amount of money Teagan will pay for buying 5 shirts and 10 leather jackets at the reduced prices. If the price of a shirt in the store was $60, its price was reduced by 20/100*$60=$<<60*20/100=12>>12 The price of a shirt was reduced to $60-$12=$<<60-12=48>>48 Teagan will pay $48*5= $<<48*5=240>>240 for buying 5 shirts If the initial price of the leather jacket was $90, the price reduced by 20/100*$90=$<<90*0.2=18>>18 The final leather jacket after Mrs. Brynlee reduced the price by 20% is $90-$18=$<<90-18=72>>72 Teagan will pay $72*10= $<<72*10=720>>720 for buying 10 leather jackets The amount of money Teagan paid to Mrs. Brynlee for the shirts and the leather jackets is $720+$240=$<<720+240=960>>960 #### 960 There are 400 students. 120 students take dance as their elective. 200 students take art as their elective. The rest take music. What percentage of students take music? There are 400-120-200=<<400-120-200=80>>80 students in music. Thus, students in music make up (80/400)*100=<<80/400*100=20>>20% of the students. #### 20 On our last vacation, I bought 4 times as many tetras as Tim bought clowns. Tim bought twice as many clowns as Rick bought guppies. If Rick bought 30 guppies, how many animals did we buy on our last vacation? If Rick bought 30 guppies, Tim bought 2 clowns/guppy * 30 guppies = <<2*30=60>>60 clowns. The total number of tetras bought by you is 4 tetras/clown * 60 clowns = <<4*60=240>>240 tetras In total, the three bought 240 tetras + 60 clowns + 30 guppies = <<240+60+30=330>>330 animals. #### 330 Gordon owns 3 restaurants, his first restaurant serves 20 meals, his second restaurant serves 40 meals, and his third restaurant serves 50 meals per day. How many meals do his 3 restaurants serve per week? Gordon serves 20 x 7 = <<20*7=140>>140 meals in his first restaurant per week. He serves 40 x 7= <<40*7=280>>280 meals in his second restaurant per week. At the third restaurant, he serves 50 x 7 = <<50*7=350>>350 meals per week. Therefore, he serves 140 + 280 + 350 = <<140+280+350=770>>770 meals in total per week. #### 770 Chandra is going on a monster hunt. After a big storm, there have been lost monsters all around the castle grounds for the last 5 days. Chandra wants to rope them all up and return them to the swamps where they will be the most comfortable. On the first day she saw 2 monsters near the castle walls. Every day after that she saw double the amount as the day before. After 5 days how many monsters does she need to lead back to the swamps? On the first day Chandra saw 2 monsters and on day 2 she saw twice that amount, 2 x 2 = <<2+2=4>>4 monsters seen on day 2. On day 3 she saw double that amount of monsters, 4 x 2 = <<4*2=8>>8. On day 4 she saw double that amount of monsters, 8 x 2 = <<8*2=16>>16. On day 5 she saw double that amount of monsters, 16 x 2 = <<16*2=32>>32. Altogether Chandra saw 2 + 4 + 8 + 16 + 32 lost monsters = <<2+4+8+16+32=62>>62 total lost monsters that Chandra needs to lead back to the swamps. #### 62 Summer performs 5 sun salutation yoga poses as soon as she gets out of bed, on the weekdays. How many sun salutations will she perform throughout an entire year? She performs 5 sun salutations on the weekdays so that’s 5 days so that’s 5*5 = <<5*5=25>>25 sun salutations a week There are 52 weeks in a year and she performs 25 sun salutations every week for a total of 52*25 = <<52*25=1300>>1,300 sun salutations a year #### 1300 Tom invites his parents and 3 siblings to his house. They each eat 3 times a day. How many plates do Tom and his guests use while they are there for the 4 days if each person uses 2 plates per meal? There were 1+2+3=<<1+2+3=6>>6 people at the house That means they use 6*2=<<6*2=12>>12 plates per meal So they use 12*3=<<12*3=36>>36 plates per day That means they use 36*4=<<36*4=144>>144 plates for the visit #### 144 Gary buys 4 chickens. After two years, he has 8 times as many chickens as he started with. If each chicken lays 6 eggs a day, how many eggs does Gary currently collect every week? After two years, Gary has 4 * 8 = <<4*8=32>>32 chickens Gary collects each day 32 chickens * 6 eggs per chicken = <<32*6=192>>192 eggs In a week he collects 192 eggs per day * 7 days per week = <<192*7=1344>>1344 eggs #### 1344