Water is flowing into a pool at a rate of 1,000 gallons every 5 hours. How many gallons flow into the pool in 2 hours?

Question

word problem 

Answer 1

Your conversion factor is

 

1000 gallons = 5 hours

 

We can set up a proportion using this conversion factor:

 

(1000/x) = (5/2)

 

We can cross multiply:

 

(2*1000) = 5x

  2000 = 5x

   400 = x

 

400 gallons flows into the pool in 2 hours.