Level 2 PSLE
Sandy had 4z pears. She ate 1 pear and gave z pears to her friends. Sandy's brother then ate half of the remaining pears. How many pears had she left? Give your answer in terms of z in the simplest form.
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.