Question:
The table shows the hourly rates for booking badminton court at Raffles Sports Club.
(a) Hong Hong booked a badminton court for 3 hours on National Day. She and her 3 friends are members of the Club and they shared the cost equally among themselves. How much did each of them pay?
(b) How much more must each of them pay for the same booking if they were non-members of the Club?