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Popular Word Problems >

In twenty years, Jon's age would be thrice his age four years ago. How old will Jon be in two years?

Solution

I n tw e n t y ye a rs, J o n^{'} s a g e w o u l d b e t h r i ce hi s a g e f o u r ye a rs a g o . Ho w o l d w i ll J o n b e in tw o ye a rs ?

Solution

Jo n^{'} s age in 2 years : 18

Solution steps

Translate the problem into an equation:

x + 20 = 3 (x - 4)

Solve for

x, x + 20 = 3 (x - 4) : x = 16

Find Jon's age in 2 years:

18

Jo n^{'} s age in 2 years : 18

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