(a)Chau runs 10 miles in 65 minutes. How many minutes does he take per mile? (b)Diane bought 16 pounds of rice for $9 . How many dollars did she pay per pound of rice?

Respuesta :

(a)
10 miles ーー> 65 minutes
1 mile ーー> 65 minutes ÷ 10 = 6.5 minutes

∴ Chau takes 6.5 minutes to run 1 mile.

(b)
16 pound ーー> $9
1 pound ーー> $9 ÷ 16 = $0.5625

∴ Diane paid $0.5625 per pound of rice.