Question

After 15 years. Mary's age will be four times of her present age. Find her present age.​

Answer 1

Step-by-step explanation:

let Mary's present be x

ATQ x +15 = 4 x

4x = x+15

4x - x = 15

3x = 15

x = 15 divided by 3

so, x = 5

Mary's present age is 5 years

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