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Maria is 7 years older than her brother Robert. In 2 years, Maria's age will be 4 times Robert's age 3 years ago. Find their present ages.

Solución

Maria is 7 years older than her brother Robert. In 2 years, Maria's age will be 4 times Robert's age 3 years ago. Find their present ages.

Solución

Maria^{'} s age is : 14

Robert^{'} s age is : 7

Pasos de solución

Translate the problem into an equation:

x + 2 = 4 (x - 7 - 3)

Resolver para

x, x + 2 = 4 (x - 7 - 3) : x = 14

Hallar age

Maria^{'} s age is : 14

Robert^{'} s age is : 7

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