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Martha is 3 years older than Pia. Joan is 3 times older than Martha. 3 years ago, the sum of their ages is 63. Find their ages now.

Solución

Martha is 3 years older than Pia. Joan is 3 times older than Martha. 3 years ago, the sum of their ages is 63. Find their ages now.

Solución

Martha^{'} s age is : 15

Joan^{'} s age is : 45

Pia^{'} s age is : 12

Pasos de solución

Translate the problem into an equation:

x - 3 + x - 3 - 3 + 3 x - 3 = 63

Resolver para

x, x - 3 + x - 3 - 3 + 3 x - 3 = 63 : x = 15

Hallar age

Martha^{'} s age is : 15

Joan^{'} s age is : 45

Pia^{'} s age is : 12

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