Question

after 20 year's john will be three times as old as he now find the present age. please elaborate step by step​

Answer 1

Answer:

John's current age is 10

Step-by-step explanation:

Let the present age of John be x then

x+20=3x

2x=20

x=10

therefore John current age is 10

Answer 2

Let John's age be X yrs

John's age after 20yrs =20+X yrs = 3X

3X - X= 20

2X = 20

X = 20 ÷ 2 = 10

Therefore his present age is 10 yrs

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