Question

One tank is filling at a rate of

3
5
gallon per
1
2
minute. A second tank is filling at a rate of
5
9
gallon per
1
3
minute. Which tank is filling faster?

Answer 1

The answer is the 59 gallons per 13 minutes.

Explanation:

the first tank is filling at a rate of 175 gallons per hour because 60/12 is 5 and 35*5 is 175. the second tank is filling at a rate of 272.3 gallons per hour because 60/13 is 4.6 and 59*4.6 is 272.3