Question

8.) The sum of the present ages of a father and son is 53 years. Four years ago, the father's age was four
times the age of the son. Find their present ages.

answer these question in one variable​

Answer 1

Answer:

Let age of father be x yrs

∴ son = (53-x) yrs

∴ By given condition

x−4=4(53−x−4)

∴x−4=4(49−x)

∴x−4=196−4x

∴5x=196+4

∴x=

5

200

=40yrs

∴ father age = 40 yrs

∴ son age = 53 - 40

=13yrs

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Answer 2

87 PERCENT

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