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8 January, 16:07

Use the three steps to solve the problem.

Joe is 10 years older than James. In 8 years, twice Joe's age will equal three times James's age. How old is each now?

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  1. 8 January, 16:14
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    Let's assume a the age of Joe

    b the age of James

    a=b+10 (1)

    2 * (a+8) = 3 (b+8) (2)

    ==> 2 * (b+10+8) = 3b+24

    ==>2b+36=3b+24

    ==>b=12

    ==>a=12+10=22

    Joe is 22 years's old

    James is 12 years's old.
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