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Mrs.johnson is 5 times as old as her son. three years ago she was 8 times as old as her son was then. find each of their ages
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Mrs.johnson is 5 times as old as her son. three years ago she was 8 times as old as her son was then. find each of their ages

User Hartok
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1 Answer

5 votes
let age of son = x years and y = age of Mrs Johnson, then:-

y = 5x

and

y- 3 = 8(x - 3)

plug y = 5x into the above:-
5x - 3 = 8x - 24
21 = 3x
x = 7

Sons age is 7 and Mrs Johnson's age is 35.



User Ian Petts
by
7.4k points
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