1. Write and solve an equation. Tommy has 5 more toys cars than Billy does. If Tommy has 12 toy cars, how many cars, c, does Billy have? Solve for c.

2. A snail can crawl 2/5 of a meter in a minute. How many minutes will it take the snail to crawl 6 meters?

3. A repairman charged $93.06. The price included 2 hours of labor and a $40 service charge. How much does the repairman charge per hour for labor?

4. Yuri purchased 8 trees to have planted at his house. The store charged a delivery fee of $5 per tree. The total cost of the trees including the delivery was $168. How much did each tree cost?