zoqstirn zoqstirn

20-01-2014
Mathematics

Answered

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?

Answer :

alexinho22 alexinho22

21-01-2014

A=24xD
3/5xD=1/2xA
3d/5=12
d=12x5/3
d=20
a=480

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