Problema Solution
Pam is half as old as her brother Bill. Six years ago Bill was four times older than Pam. How old is each sibling now?
Answer provided by our tutors
Let
x = the age of Pam
y = the age of Bill
x = y/2
(x - 6 )*4 = y - 4
By solving this system of equations we find
x = 10 y
y = 20 y
Pam is 10 years old and Bill is 20 years old.