IM 7th Interim 2 Review

A guitar is on sale with a 55% discount. If it regularly sells for $270, what is the amount of discount?

A family eats at a restaurant. The bill is $42. The family leaves a tip and spends $49.77. How much was the tip as a percentage of the bill?

Darius wants to purchases a new PS5 with an Ultra HD Blu-Ray Disc Drive. He is waiting till Black Friday when he can get it 20% off. If the retail price is $499, what is the final cost including a 7% sales tax?

Every five years in March, the population of a certain town is recorded. In 1995, the town had a population of 4,500 people. From 1995 to 2000, the population increased by 15%. From 2000 to 2005, the population decreased by 4%. What was the town’s population in 2005?

Rose spent $2.00 for 20 pieces of gum. Joe spent $1.50 for 10 pieces of gum. Who got the better deal?

A photographer posted a photo-enlargement chart on the wall, as shown below.

According to the pattern, what width and length are missing from the chart?

Which equation represents a proportional relationship?

Angelina has a recipe for chocolate cookies. She uses 2 ½ cups of flour to make 4 dozen cookies. Luke will follow the same recipe. He will make d dozen cookies using f cups of flours. What equation represents the relationship between d and f?

Does the graph represent a proportional relationship?

Does the graph represent a proportional relationship?

Who is running faster?

A rectangle has the dimensions 2.2cm by 4.5cm. A scale factor of 4 is used to enlarge the rectangle. What is the new area?