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Popular Word Problems >

Three years ago John was twice his son's age. John is fifty-one now. How old is his son?

Solution

T h ree ye a rs a g o J o hn w a s tw i ce hi s so n^{'} s a g e . J o hn i s f i f t y - o n e n o w . Ho w o l d i s hi s so n ?

Solution

Son^{'} s age is : 27

Solution steps

Translate the problem into an equation:

2 (x - 3) = 51 - 3

Solve for

x, 2 (x - 3) = 51 - 3 : x = 27

Son^{'} s age is : 27

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