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kim is 15. kim's father is 39. In how many years will kim's father be exactly twice as old as kim will be?
1 answer
you want x, such that
39+x = 2(15+x)
x = 9
check 39+9 = 48 = 2(15+9)
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"Kim is 15. Kim's father is 39. In how many years will Kim's father be exactly twice as old as Kim will be?"
"Kim is 15. Kim's father is 39. In how many years will Kim's father be exactly twice as old as Kim will be?"
