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13 September, 03:57

Sana and Abha had 100 playing cards. Both of them lost 20 cards each. The product of the cards they now have is 900. How many cards did Abha start with?

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  1. 13 September, 04:54
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    Let x equal the number of cards they have after they lost 20 each. 2x+40=100

    2x=60

    X=30

    30 squared = 900

    30+20=50

    The answer is 50
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