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Popular Word Problems >

In three years, John will be twice the age of Mariam. Last year, John was four times olderthan Mariam. How old are they now?

Solução

I n t h ree ye a rs, J o hn w i ll b e tw i ce t h e a g e o f M a r iam . L a s t ye a r, J o hn w a s f o u r t im es o l d er t han M a r iam . Ho w o l d a re t h ey n o w ?

Solução

John^{'} s age is : 9

Mariam^{'} s age is : 3

Passos da solução

Translate the problem into an equation:

x + 3 = 2 (y + 3), x - 1 = 4 (y - 1)

x + 3 = 2 (y + 3), x - 1 = 4 (y - 1) : x = 9, y = 3

John^{'} s age is : 9

Mariam^{'} s age is : 3

Exemplos populares

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