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.
Level 2
Peggy earns $1800 a month. She spends $720 on food and transport, $630 on entertainment and saves the rest. What percentage of her monthly income does she save?