SOLUTION: a father is 42 years old. his children are 6,8 and 12 years old respectively. how old will the father be when his age equals the sum of his three children's ages ?
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Question 1056021: a father is 42 years old. his children are 6,8 and 12 years old respectively. how old will the father be when his age equals the sum of his three children's ages ? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! a father is 42 years old. his children are 6,8 and 12 years old respectively. how old will the father be when his age equals the sum of his three children's ages ?
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respectively?
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The sum of their ages is 26
The sum increases 3 years per year.
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26 + 3y = 42 + y
2y = 16
y = 8 years
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--> 14 + 16 + 20 = 42 + 8
