father is 5 times as old as his son. After 15 years he will be two times as old as his son. Father's present age is.
Answers
Answered by
10
Step-by-step explanation:
Father’s age, now = F, son’s age now = S.
F = 5S …(1)
F+15 = 2(S+15), or
F = 2S+30–15 = 2S+15 …(2)
Equate (1) and (2),
5S = 2S+15, or
3S = 15, or S = 5 and F - 25.
The father is 25 years now.
Answered by
7
Step-by-step explanation:
Step-by-step explanation:
Father’s age, now = F, son’s age now = S.
F = 5S …(1)
F+15 = 2(S+15), or
F = 2S+30–15 = 2S+15 …(2)
Equate (1) and (2),
5S = 2S+15, or
3S = 15, or S = 5 and F - 25.
The father is 25 years now.
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