Proprotional Relationships and Percentages

Last updated over 4 years ago
11 questions
1

Priya has a recipe for banana bread. She uses 7 1/2 cups of flour to make 3 loaves of banana bread. Andre will follow the same recipe. He will make b loaves of banana bread using f cups of flour. Which of these equations represents the relationship between and ?

1

Diego measured the length of a pen to be 22 cm. The actual length of the pen is 23 cm. Which of these is closest to the percent error for Diego’s measurement?

1

A car is 180 inches long. A truck is 75% longer than the car. How long is the truck?

1

A circular running track is 1/4 mile long. Elena runs on this track, completing each lap in 1/20 of an hour. What is Elena’s running speed? Include the unit of measure

1

Today, everything at a store is on sale. The store offers a 20% discount.
The regular price of a T-shirt is $18. What is the discount price?

1

Today, everything at a store is on sale. The store offers a 20% discount. If the regular price of an item is x dollars, what is the discount price in dollars?

1

Today, everything at a store is on sale. The store offers a 20% discount. The discount price of a hat is $18. What is the regular price?

1

Lin’s father is paying for a $20 meal. He has a 15%-off coupon for the meal. After the discount, a 7% sales tax is applied. What does Lin’s father pay for the meal? Explain or show your reasoning.

1

Tyler’s brother works in a shoe store. Tyler’s brother earns a commission. He makes 2.5% of the amount he sells. Last week, he sold $900 worth of shoes. How much was his commission?

1

Tyler’s brother works in a shoe store. The store bought a pair of shoes for $50, and sold it for $80. What percentage was the markup?

1

Tyler’s brother works in a shoe store. Tyler’s brother earns $12 per hour. The store offers him a raise—a 5% increase per hour. After the raise, how much will Tyler’s brother make per hour?