Level 2 PSLE
Some pupils are arranged in 4 rows. Each row has s more pupils than the row in front of it. There are 8s pupils in the second row. How many pupils are there altogether? Give your answer in terms of s in the simplest form.
Level 2
Hillary bought 12 buns and 15 doughnuts altogether. One bun is y ¢ and one doughnut is $2. She gave the cashier $50. Express her change in terms of y in cents.