[Question]John volunteers at a shelter twice a month for 3 hours at a time. How many hours does he volunteer per year?
[Answer]He volunteers 2 * 12 = 24 times a year. So he volunteers for 24 * 3 = 72 hours. The answer is 72.

[Question]Marla has a grid of squares that has 10 rows and 15 squares in each row. She colors 4 rows of 6 squares in the middle of the grid with red. She colors all squares on the first 2 and last 2 rows with blue. Then she colors the rest with green. How many squares does Marla color green?
[Answer]There are 10 x 15 = 150 squares in a grid. 4 x 6 = 24 squares are colored red. There are 2 + 2 = 4 rows that are all blue. Thus, a total of 4 x 15 = 60 squares are colored blue. 24 + 60 = 84 squares are color red or blue. Therefore, 150 - 84 = 66 square are green. The answer is 66.

[Question]John has a raw squat of 600 pounds without sleeves or wraps. Sleeves add 30 pounds to his lift. Wraps add 25% to his squat. How much more pounds does he get out of wraps versus sleeves.
[Answer]Wraps add 600 * .25 = 150 pounds to his lift. So they add 150 - 30 = 120 pounds more than sleeves. The answer is 120.

[Question]In 7 years, Kaylee will be 3 times as old as Matt is now. If Matt is currently 5 years old, how old is Kaylee now?
[Answer]
In 7 years, Kaylee will be 5 * 3 = 15 years old. Let x be the age Kaylee is now. After 7 years, Kaylle will be 15 years old, so x + 7 = 15. x = 15 - 7. x = 8 years old. The answer is 8.