Percents and Linear Expressions

What is 30% of 450?

• 30

• 135

• 450

• 100

What percent of 25 is 60?

• 24%

• 2.4

• 240%

• 100%

While mining, John found a large metal bar that weighed 25 ounces. John was also able to determine that the bar had 15 ounces of lead. What percent of the weight of the bar was lead?

• 40%

• 50%

• 60%

• 70%

A jogging route is 10km long. Zaman has jogged 4km. What percentage of the route has Zaman jogged?

• 4%

• 10%

• 80%

• 40%

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter?

• 35%

• 25%

• 30%

• 20%

What percent of 96 is 88?

• 91.7%

• 109%

• 84.5%

• 88%

Cary's dad gave her $20.00 to spend on shoes at the mall. Cary spent 85% of the money on one pair of shoes. How much money does Cary's dad get back from his $20.00?

Of the 520 students in Grady Elementary, 65% ride the bus. How mnay students ride the bus?

• 338 students

• 65 students

• 500 students

• 585 students

• 455 students

Hank is buying a shirt that originally cost $25.00. It was on sale two weeks ago for 10% off. Today, it is an additional 20% off the original price. How much is the shirt now?

Sam had 9 puppies. After giving some away, Sam had 4 puppies left. What is the percent change in the number of puppies? Round to nearest whole percent if necessary.

• 56% decrease

• 125% decrease

• 56% increase

• 125% increase