laminglas laminglas

26-01-2016
Mathematics

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lf Liam is 4 years younger than Joe and the sum of their ages is 74 how old is Joe

Respuesta :

04-02-2016

If Joe is x years old, then Liam is x - 4 years old.

The sum of their ages is 74.

x + x - 4 = 74
2x - 4 = 74
2x = 78
x = 39

Joe is 39 years old.

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