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8 October, 22:49

Brianna is twice as old as James. David is four times as old as James. Brianna is 20 years younger than David. How old is David?

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  1. 8 October, 22:53
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    David might be 40

    Step-by-step explanation:

    Brianna = 20 + 20 = 40 = David

    James = 10 x 2 = Brianna

    David = 40 - 20 = Brianna
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