GMAT Quantitative Reasoning Practice Test 1

Question : 46 of 100

Marks: +1, -0

A taxicab fare costs

x

dollars for the first quarter of a mile and

(1/ 4) x

dollars for each quarter of a mile after that. How much will the total cost be for a

21/ 2

mile ride?

Solution:

2 \;{1}/{2}

miles divided by

1 \/ 4

is ten quarter miles. Since the first quarter mile costs

x

amount, the other nine quarter miles cost

(1 / 4) x

, so

9 \times(1/ 4) x=(9 / 4) x

x+(9 / 4) x= (4 / 4) x+(9 / 4) x= ({13 / 4}) x

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