Level 2
There is a total of 600 children in a school. 80 of them like blue. There are 50 more children who like red than blue. Some children like yellow. The remaining 14 of the children like green. Find the ratio of the number of children who like green to those who like yellow.
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?
Level 3
Ellie had $360 less than Kenny. Ellie spent 14 of her money and Kenny spent 47 of his money. In the end, Kenny and Ellie had the same amount of money left. Find the amount of money Kenny had at first.
