Question

sonals mother is thrice as old as sonal.After 10 years she will be just twice as old as her daughter.what are their present ages?​

Answer 1

Answer:

Step-by-step explanation:

Lets Sonal' s present age be x years and his mother's present age be y.

3x = y

3x-y = 0             -----------------------------(1)

2(x + 10) = y +10

2x + 20 = y +10

10 = -2x+y          ----------------------------(2)

Adding (1) and (2)

x = 10 and y = 30