Answer this question:Anna baked 60 cupcakes. She gives away 4/5 of the cupcakes to her classmates. Of the remaining 1/5 of cupcakes, she eats 3 cupcakes. How many cupcakes does she have left?
After giving away 4 / 5 of the cupcakes, Anna has 60 / 5 = 12 cupcakes. After eating 3 cupcakes, Anna has 12 - 3 = 9 cupcakes.
The answer is 9.

Answer this question:Joy is winding balls of yarn for her cat to play with. The first ball is half the size of the second ball. The third ball is three times as large as the first ball. She used 27 feet of yarn for the third ball. How many feet of yarn did she use for the second ball?
The first ball is a third of the size of the third ball, so it used 27 / 3 = 9 feet of yarn. The second ball is twice the size of the first ball, so she used 9 * 2 = 18 feet of yarn.
The answer is 18.

Answer this question:Emma is 7 years old. If her sister is 9 years older than her, how old will Emma be when her sister is 56?
Emma’s sister is 7 + 9 = 16 years old. In this many years, Emma’s sister will be 56 years old: 56 - 16 = 40 years. When her sister is 56 years old, Emma will be 7 + 40 = 47 years.
The answer is 47.

Answer this question:Miggy's mom brought home 3 bags of birthday hats. Each bag has 15 hats. Miggy accidentally tore off 5 hats. During the party, only 25 hats were used. How many hats were unused?
There are a total of 15 x 3 = 45 hats in 3 bags. Since 5 tore off, only 45 - 5 = 40 hats were left. Thus, 40 - 25 = 15 hats were unused.
The answer is 15.