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Red cars

by crackgmat007 » Fri May 22, 2009 8:07 am
The ratio of the number of red cars in a certain parking lot to the number of black cars is 3 to 8. If there are 72 black cars in the lot, how many red cars are there in the lot?
A. 11
B. 15
C. 24
D. 27
E. 32

D
Last edited by crackgmat007 on Fri May 22, 2009 8:33 am, edited 1 time in total.
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Re: Red cars

by rahulg83 » Fri May 22, 2009 8:12 am
crackgmat007 wrote:The ratio of the number of red cars in a certain parking lot to the number of black cars is 3 to 8. If there are 72 black cars in the lot, how many red cars are there in the lot?
A. 11
B. 15
C. 24
D. 27
E. 32

Is the answer D or C. Answer seems to be C.
No of Red/No. of Black = 3/8

=> Red / 72 =3/8

=> Red=27
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