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A father's age is represented by (4a3-5), while his daughter's age is (2a2 + a-5). Find the
difference of their ages.​


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.