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10-12-2017
Mathematics

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Anne has 24 more cards than Devi. Anne finds that 3/5 of Devi's cards are equal to 1/2 of her cards. How many cards does Anne have?

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rapael88 rapael88

10-12-2017

Anne's card in total = A
Devi's card in total = D

1. A =D + 24

2. 3/5 × D = 1/2 × A
3/5×D = 1/2 × (D+24)
1/10 × D = 12

D=120

A=144

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