GRE Sample Test 1 Quantitative Reasoning 2

Question : 9 of 20

Marks: +1, -0

Oil is pumped from a well at a rate of 500 gallons per hour. How many gallons of oil are pumped from the well in 3 hours and 15 minutes?

Solution:

Set up a proportion:

{1 \hour}/{500 \gallons}

{3.25 \hours}/{\x \gallons}

.
Cross multiply to find that x = 500 × 3.25 = 1,625 gallons.

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