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Zara is one year older than Zantrop, and their age combined is 18. How old are Zantrop and Zara

Solution

Zara is one year older than Zantrop, and their age combined is 18. How old are Zantrop and Zara

Solution

Zara^{'} s age is : 9 \frac{1}{2}

Zantrop^{'} s age is : 8 \frac{1}{2}

Solution steps

Translate the problem into an equation:

x + x - 1 = 18

Solve for

x, x + x - 1 = 18 : x = \frac{19}{2}

Find age

Zara^{'} s age is : 9 \frac{1}{2}

Zantrop^{'} s age is : 8 \frac{1}{2}

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