Mrs. Smythe is twice as old as her daughter Samantha. Ten years ago the sum of their ages was 46 years. How old is Mrs. Smythe?

Question

Mrs. Smythe is twice as old as her daughter Samantha. Ten years ago the sum of their ages was 46 years. How old is Mrs. Smythe?

0

Answers ( No )

    0
    2021-10-13T23:21:38+00:00

    Mrs. Smythe = x
    Daughter = y

    x = 2y
    (x – 10) + (y – 10) = 46
    x – 10 + y – 10 = 46
    x + y – 20 = 46
    x + y = 66
    Put 2y in for x
    2y + y = 66
    3y = 66
    y = 66/3
    y = 22

    The daughter is 22
    The mother = 44

Leave an answer

Browse
Browse