Question 1063563
Mr. Jones is now 28 years older than Robbie. Nine years ago he was five times as old as Robbie was then. How old is each?
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J = R + 28
J-9 = 5(R-9)
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Substitute for "J" and solve for "R"::
R+28 - 9 = 5R - 45
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4R = 64
Robbie =  16yrs
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Solve for "J" using J = R + 28
Jones = 16 + 28 =  44
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Cheers,
Stan H.
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