A boy's club, which is trying to raise money by having a car wash, can wash 100 cars if they work for 8 hours, without a break. A girl's club is also going to have a car wash, if the members of the girl's club wash 5 cars per hour, how many more cars per hour does the boy's club wash?
A. 1.15
B. 1.25
C. 3.5
D. 6.25
E. 7.5
The OA is E.
I don't have clear this PS question or I'm not sure. I think that it's an easy question.
I just need to determine how many cars per hour the boy's club can wash, right? It will be 100/8 = 12.5.
Then I need to make the substract of 12.5 - 5 = 7.5, right?
That's all? Thank you so much!
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A boy's club, which is trying to raise money by having...
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EconomistGMATTutor
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Hi AAPL,AAPL wrote:A boy's club, which is trying to raise money by having a car wash, can wash 100 cars if they work for 8 hours, without a break. A girl's club is also going to have a car wash, if the members of the girl's club wash 5 cars per hour, how many more cars per hour does the boy's club wash?
A. 1.15
B. 1.25
C. 3.5
D. 6.25
E. 7.5
The OA is E.
I don't have clear this PS question or I'm not sure. I think that it's an easy question.
I just need to determine how many cars per hour the boy's club can wash, right? It will be 100/8 = 12.5.
Then I need to make the substract of 12.5 - 5 = 7.5, right?
That's all? Thank you so much!
Yes. You have used the correct logic.
Perfectly worked out.
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Jeff@TargetTestPrep
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If the boys can wash 100 cars in 8 hours, then they can wash 100/8 = 12.5 cars per hour. Since the girls can wash 5 cars per hour, the difference is:AAPL wrote:A boy's club, which is trying to raise money by having a car wash, can wash 100 cars if they work for 8 hours, without a break. A girl's club is also going to have a car wash, if the members of the girl's club wash 5 cars per hour, how many more cars per hour does the boy's club wash?
A. 1.15
B. 1.25
C. 3.5
D. 6.25
E. 7.5
12.5 - 5 = 7.5
The boys wash 7.5 more cars per hour than the girls do.
Answer: E
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