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by theachiever » Tue Dec 11, 2012 1:26 am
A taxi company costs $1.75 for the first quarter-mile and fifteen cents for each additional quarter mile. What is the maximum distance you can travel with $4.90?

A) 4 miles

B) 5 1/4 miles

C) 5 1/2 miles

D) 5 3/4 miles

E) 6 1/4 miles
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by The Iceman » Tue Dec 11, 2012 1:41 am
0.25 + (4.90-1.75)/4*0.15 = 0.25 + 21/4 = 5.5 miles
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by Brent@GMATPrepNow » Tue Dec 11, 2012 6:57 am
theachiever wrote:A taxi company costs $1.75 for the first quarter-mile and fifteen cents for each additional quarter mile. What is the maximum distance you can travel with $4.90?

A) 4 miles

B) 5 1/4 miles

C) 5 1/2 miles

D) 5 3/4 miles

E) 6 1/4 miles
Pay $1.75 for the first quarter mile.

$4.90 - $1.75 = $3.15
How many additional quarter miles can you get for $3.15?
Each quarter mile costs $0.15
3.15/0.15 = 21, so you can get 21 additional quarter miles for $3.15

So, altogether, we can purchase 22 quarter miles for $4.90
22 quarter miles = 22/4 miles = 11/2 miles = 5 1/2 miles = C

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