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Lauren's age is one third of Joe's age. Emma is three years older than Joe. The sum of Lauren, Emma, and Joe's age is 72. How old is Joe?

Solution

Lauren's age is one third of Joe's age. Emma is three years older than Joe. The sum of Lauren, Emma, and Joe's age is 72. How old is Joe?

Solution

Joe^{'} s age is : 29 \frac{4}{7}

Solution steps

Translate the problem into an equation:

\frac{1}{3} x + x + 3 + x = 72

Solve for

x, \frac{1}{3} x + x + 3 + x = 72 : x = \frac{207}{7}

Convert improper fractions to mixed numbers:

29 \frac{4}{7}

Joe^{'} s age is : 29 \frac{4}{7}

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