GMAT PREP??????

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GMAT PREP??????

by dferm » Thu Apr 24, 2008 10:59 am
The number of stamps that Kaye and Alberto had were in the ratio 5:3, respectively. After Kaye gave Alberto 10 of her stamps, the ratio of the number Kaye had to the number Alberto had was 7:5. As a result of this gift, Kaye had how many more stamps than Alberto?

A. 20
B. 30
C. 40
D. 60
E. 90

Please Explain.....
Source: — Problem Solving |

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