Problema Solution
Robbie gets £6.00 pocket money each week.
He spends 3/8 of his money on comics and 1/3 of his money on books
He saves the rest of his money.
How many weeks will it take him to save £20?
Answer provided by our tutors
each week he saves =(1-3/8-1/3)6 =42/24
so he ll save 20 in
42/24 t =20
t =480/42 =80/7 weeks
=11.43 weeks