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Elsa is 9 years older than Anna. Five years ago, the sum of their age is 51. What is the present age of Anna?

Solution

Elsa is 9 years older than Anna. Five years ago, the sum of their age is 51. What is the present age of Anna?

Solution

Anna^{'} s age is : 26

Solution steps

Translate the problem into an equation:

x - 5 + x - 9 - 5 = 51

Solve for

x, x - 5 + x - 9 - 5 = 51 : x = 35

Find Anna's age

: 26

Anna^{'} s age is : 26

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