Math STAAR Review

Which equation is proportional?

The table shows the prices of some breakfast items at a restaurant. Sara ordered 2 eggs, a slice of bacon, and a glass of orange juice for breakfast. The sales tax for the order was $0.48. She paid for her breakfast with a $10 bill. How much change should Sara receive from the $10 bill?

Leslie has two cups containing different colored paper clips. The first cup contains 7 pink paper clips and 3 blue paper clips. The second cup contains 3 black paper clips, 1 red paper clip, and 6 orange paper clips. What is the probability that Leslie will randomly select a blue paper clip from the first cup and then randomly select an orange paper clip form the second cup?

The list below shows the number of shirts of different types that Savannah sold one day at a store.

• Shirt with vertical stripes: 6
• Shirt with horizontal stripes: 4
• Shirt with a school mascot: 5
• Shirt that is plain: 18

Based on these results, what is the most reasonable prediction of the number of shirts with a school mascot that will be sold out of the next 165 shirts sold?