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A father is 32 years old His son is 4 In how many years will the father be three times as old as his son What is the algerbraic equation for that?
The father is always 28 years older than his son so the equation can be written: (1) father = son + 28 at all times after birth at some point father is three times older than son so: (2) father = 3son
So we can combine (1) and (2) equations as: 3son = son + 28
2son = 28
son = 14 so when the son is 14 the father is 28 years older which is 42 and 3 times older than 14.
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