Question

After 12 year, I shall be 3 times as my sister's present age. My sister is 10 year old. Find my present age.

Answer 1

Answer:

x =present age =18

Step-by-step explanation:

let your present age be x your age after 12 years =x+12

x+12=3(10)

x+12=30

x=30-12

x=18

verification x+12=18+12=30(3 times sisters present age  3*10)