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Popular >

Mary is 2 years older than Ed, and 3 years ago Mary was twice as old as Ed. Find their persent ages.

Solution

Mary is 2 years older than Ed, and 3 years ago Mary was twice as old as Ed. Find their persent ages.

Solution

Mary^{'} s age is : 7

Ed^{'} s age is : 5

Solution steps

Translate the problem into an equation:

x - 3 = 2 (x - 2 - 3)

Solve for

x, x - 3 = 2 (x - 2 - 3) : x = 7

Find age

Mary^{'} s age is : 7

Ed^{'} s age is : 5

Popular Examples

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