Question 747419
If the age of father and son is 84.The age of father is three times of son then find the age of father and son.also show in graph.
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Equations:
f + s = 84
f = 3s
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Substitute for "f" and solve for "s":
3s+s = 84
4s = 84
s = 21 (son's age now)
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Solve for "f":
f = 3s
f = 3*21
f = 63 (father's age now)
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cheers,
Stan H.
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