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Travis is 17 years older than his sister Kate. In 11 years, he will be twice as old as Kate. How old is each of them now?

Solution

Travis is 17 years older than his sister Kate. In 11 years, he will be twice as old as Kate. How old is each of them now?

Solution

Travis^{'} s age is : 23

Kate^{'} s age is : 6

Solution steps

Translate the problem into an equation:

x + 11 = 2 (x - 17 + 11)

Solve for

x, x + 11 = 2 (x - 17 + 11) : x = 23

Find age

Travis^{'} s age is : 23

Kate^{'} s age is : 6

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