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Popular >

Mario is twice as old as Peter. The sum of their ages 4 years ago was 37. Find how old they are now

Solution

Mario is twice as old as Peter. The sum of their ages 4 years ago was 37. Find how old they are now

Solution

Peter^{'} s age is : 15

Mario^{'} s age is : 30

Solution steps

Translate the problem into an equation:

2 x - 4 + x - 4 = 37

Solve for

x, 2 x - 4 + x - 4 = 37 : x = 15

Find age

Peter^{'} s age is : 15

Mario^{'} s age is : 30

Popular Examples

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