Question

after 15 years ‚ mary‘s age will be four times of her present age. find her present age.​

Answer 1

Answer:

5

Step-by-step explanation:

5

after 15years it is 20(4times of present age)

15+x=4x

15=3x

x=5

Answer 2

Answer:

Hey there grab the question's key...

Step-by-step explanation:

LET MARY'S PRESENT AGE BE X

SO LETS FORM AN EQUATION ON THE BASIS OF THE GIVEN INFO-

$x + 15 = 4x$

$15 = 4x - x$

$15 = 3x$

$x = \frac{15}{3}$

$x = 5$

we got our answer---

Mary's present age is 5 years

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