Level 1
Haslinda, Yapin and Dewi went for a dinner together. The bill for the dinner was $70.35. How much money did each of them pay if they were to share the cost of the dinner equally?
Level 3
William had some coins. 40% of his coins were made up of 50-cent coins which was equal to the number of $1 coins. The rest of the coins were made up of 20-cent coins. Given that William had $16 more 50-cent coins than 20-cent coins, how many coins did William have altogether?