Question

John is currently a quarter of his father's age.In five years,John will be a half of his father age 10 years ago.Hiw old is John now.​

Answer 1

Answer:

John's age = 10

Step-by-step explanation:

father's age = x

john's age = x/4

(x/4 + 5) = (x-10)/2

(x + 20)4 = (x-10) / 2

(: cross multiply :) 2x + 40 = 4x - 40

                               2x = 80

                               x = 40

John's age = 40/4

                  = 10.

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