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Andreyy89
3 years ago
7

One tank is filling at at a rate of 3/4 gallon per 2/3 minutes. A second tank is filling at a rate of 5/8 gallon per 1/2 minutes

. Which tank is filling faster?
Mathematics
2 answers:
VMariaS [17]3 years ago
8 0
3/4 times 3/2 (reciprocal of the second fraction) is 9/8 gallons per minute.
5/8 times 2/1 (reciprocal of the second fraction) is 10/8 gallons per minute

The second tank is filling faster.
aleksklad [387]3 years ago
4 0

Answer:

Step-by-step explanation:

Given

First tank is filling at a rate of \frac{3}{4} gallon per \frac{2}{3} minute i.e. per 40 sec

In 1 sec it fills \frac{3}{4\times 40}=\frac{3}{160} gallon

For second tank

Filling at a rate of \frac{5}{8} per \frac{1}{2} minutes

i.e. per 30 sec

in 1 sec it fills \frac{5}{8\times 30}=\frac{5}{240}

\frac{5}{240}>{3}{160}

thus second tank is filling at a faster rate.

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