Sagot :
Answer:
= age of Pat y = age of James 1. x = y + 20 x + 2 = 2(y + 2) x + 2 = 2y + 4 2. x = 2y + 2 Substitute ... Three year ago she was 9 times his age. ... In 8 years he will be twice as old as his son.
Answer:
= age of Pat y = age of James 1. x = y + 20 x + 2 = 2(y + 2) x + 2 = 2y + 4 2. x = 2y + 2 Substitute ... Three year ago she was 9 times his age. ... In 8 years he will be twice as old as his son.