Question

Mother's age is four times her daughter's
age. 5 years hence mother's age will be thrice
her daughter's age then. Find their present
ages. pls do in substitution method and will mark brainliest​

Answer 1

Answer:

Mother's age is 40 and daughter age is 10

Step-by-step explanation:

let the mother age be x and daughter age be y

x = 4y (i)

x + 5 = 3 (y + 5) (ii)

substitute the value of x in (ii)

4y + 5 = 3y + 15

4y - 3y = 15 - 5

y = 10

therefore,

x = 4y

x = 4×10

x = 40