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Fred is 4 years older than Barney. Five years ago the sum of their ages was 48. How old are they

Solução

Fred is 4 years older than Barney. Five years ago the sum of their ages was 48. How old are they

Solução

Fred^{'} s age is : 31

Barney^{'} s age is : 27

Passos da solução

Translate the problem into an equation:

x - 5 + x - 4 - 5 = 48

Resolver para

x, x - 5 + x - 4 - 5 = 48 : x = 31

Encontrar age

Fred^{'} s age is : 31

Barney^{'} s age is : 27

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