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The incomes of A, B, and C are in the...

The incomes of A, B, and C are in the ratio 7:10:12 and their expenses are in the ratio 8:10:15. If A saves `1/5` of his income, then Bs saving is what percent more or less than that of Cs? `100 %\ mor e` b. `66 2/3%\ mor e` c. `33 1/3%\ l e s s` d. `40 %\ l e s s`

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