Question

5. A car wash uses 50 gallons of water every

40 seconds. How much water does it use per
second?

Answer 1

1.25 gallons per second

Explanation:

To figure this out divide 50 by 40

I don't know how to explain this further, hope this is good enough.

- Que

Answer 2

It use 1.25 gallons of water per second

Explanation:

Amount of water used for car wash in 40 seconds = 50 gallons

Amount of water used for car wash in 1 seconds =
`(50)/(40)`

Amount of water used for car wash in 1 seconds =
`1.25`

So, Amount of water used in 1 second is 1.25 gallons

So, Unit rate = 1.25 gallons per second

Hence it use 1.25 gallons of water per second