The total amount of water that flowed out of a tank was 18 1/2 gallons over 4 1/4 hours. which expression finds the amount of water lost per hour?

Lets get started :)

18 = → total amount of water that flowed out
4 = → time

We should divide the amount of water that flowed out of the tank by the time period

And therefore the expression that finds the amount of water lost per hour will be your last option:

D)  ÷ 

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