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A car travels 240 miles on 12 gallons of gas. At this rate, how many gallons are needed to travel 400 miles?

GRE Β· 2024 Β· quant slot 1
Question:
A car travels 240 miles on 12 gallons of gas. At this rate, how many gallons are needed to travel 400 miles?

Options

(A) 18
(B) 20
(C) 22
(D) 24
(E) 26
Answer: (B) 20

Explanation:
Rate = 240/12 = 20 miles per gallon. For 400 miles: 400/20 = 20 gallons.

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