David wants to fill his backyard swimming pool. His garden hose delivers 40 gallons in 5 minutes. How many gallons of water will

Question

4 years ago

8

be in the pool after 20 minutes? After 1 hour? EXPLIAN

1 answer:

mafiozo [28] · Answer 1 · 2022-01-05T16:58:32+03:00

7 0

40 gallons / 5 minutes = X gallons / 20 minutes:

Cross multiply:

40 * 20 = 5 *x

800 = 5x

Divide both sides by 5:

x = 800/5

x = 160 gallons after 20 minutes.

There are 3 20 minute periods in an hour

160 x 3 = 480 gallons in one hour.