Brightstorm Q & A : The sum of Edward age and Jacob age is 58.eight years ago, Edward was twice as old as Jacob then.How old is Jacob?

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e + j - 8 = 58 e + j = 66 2j = e, j = e/2 e + e/2 = 66 2e + e/2 = 66 3e = 132 e =44 44 + j = 66 j = 22

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wlim January 22, 2011

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JACOB IS 28: j+e=58; e-8=2(j-8); e-8=2j-16 so e=2j-8 substitute that in the first equation to get j+ 2j-8=58 so 3j =66 j=22 so jacob is 22

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14948

GURUKID January 22, 2011

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