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Popular >

bob is 1/2 that of barry's. Five years ago, Bob was 3 times as old as Barry. Find the age of both

Solution

bob is \frac{1}{2} that of barry's. Five years ago, Bob was 3 times as old as Barry. Find the age of both

Solution

Barry^{'} s age is : 4

Bob^{'} s age is : 2

Solution steps

Translate the problem into an equation:

\frac{1}{2} x - 5 = 3 (x - 5)

Solve for

x, \frac{1}{2} x - 5 = 3 (x - 5) : x = 4

Find age

Barry^{'} s age is : 4

Bob^{'} s age is : 2

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