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Two hundred gallons of fuel oil are purchased at $0.91 per gallon and are consumed at a rate of $0.70 worth of fuel per

Expert replies
by Gmat_mission » Sun Jun 14, 2020 2:36 pm

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00:00

Answers

A

B

C

D

E

Stats

Difficulty

Two hundred gallons of fuel oil are purchased at $0.91 per gallon and are consumed at a rate of $0.70 worth of fuel per hour. At this rate, how many hours are required to consume the 200 gallons of fuel oil?

(A) 140
(B) 220
(C) 260
(D) 322
(E) 330

[spoiler]OA=C[/spoiler]

Source: Official Guide
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Source: — Problem Solving |

Gmat_mission wrote:
Sun Jun 14, 2020 2:36 pm
Two hundred gallons of fuel oil are purchased at $0.91 per gallon and are consumed at a rate of $0.70 worth of fuel per hour. At this rate, how many hours are required to consume the 200 gallons of fuel oil?

(A) 140
(B) 220
(C) 260
(D) 322
(E) 330

[spoiler]OA=C[/spoiler]

Source: Official Guide
Solution:

The cost for the two hundred gallons is 0.91 x 200 = 182 dollars.

Thus, the number of hours to consume 200 gallons of fuel is 182/0.7 = 260.

Answer: C

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