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If 175 billion French francs is equivalent to 35 billion

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If 175 billion French francs is equivalent to 35 billion

by swerve » Tue Aug 06, 2019 12:48 pm

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If 175 billion French francs is equivalent to 35 billion United States dollars, which of the following expressions represents the number of United States dollars equivalent to f francs?

A. f-140
B. 5f
C. 7f
D. f/5
E. f/7

The OA is D

Source: Official Guide
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by Jay@ManhattanReview » Fri Aug 09, 2019 1:03 am
swerve wrote:If 175 billion French francs is equivalent to 35 billion United States dollars, which of the following expressions represents the number of United States dollars equivalent to f francs?

A. f-140
B. 5f
C. 7f
D. f/5
E. f/7

The OA is D

Source: Official Guide
Given that 175 billion French francs is equivalent to 35 billion United States dollars, we have (175 billion/35 billion = 5) French francs is equivalent to 1 United States dollars

=> 5 f = $1

=> f = $1/5

The correct answer: D

Hope this helps!

-Jay
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by Scott@TargetTestPrep » Sun Aug 11, 2019 6:45 pm
swerve wrote:If 175 billion French francs is equivalent to 35 billion United States dollars, which of the following expressions represents the number of United States dollars equivalent to f francs?

A. f-140
B. 5f
C. 7f
D. f/5
E. f/7

The OA is D

Source: Official Guide
We are given that 175 billion French francs = 35 billion United States dollars. We need to convert f francs to dollars. We can let x be the number of dollars equivalent to f francs and solve this problem using a proportion.

(175 billion)/(35 billion) = f/x

175/35 = f/x

175x = 35f

x = 35f/175

x = f/5

Answer: D

Scott Woodbury-Stewart
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