Question

Naina is 4 times as old as her son John. After 5 years, the sum of their age will be 80 years. Find
John's present age.​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Let John's age be x and Naina's 4x

Sum of their ages after 5 yrs = x + 5 + 4x+ 5 = 80

                                                    5x + 10          = 80

                                                     5x = 70

                                                         x = 14

So, the age of john is 14 years