Topic 3 Review 7th grade

Aiden estimates that the length of a piece of rope is 7.2 inches. If its actual length is 6.5 inches, what is the percent error of Aiden’s estimate?

• 7%

• 9.72%

• 10.77%

• 58%

Olivia has read 143 pages of a 220 page novel.

What percent of the book has she read?

A bike store sells scooters at a 54% markup. If the store bought each scooter for $29.25, what is the resale price to the nearest dollar?

• $25

• $35

• $45

• $55

Mason took out an $800 loan from the bank. At the end of 5 years, he pays back the principal, plus $120 simple interest. What was the interest rate?

Ariana & Sabhyata go out for lunch. If their meals come to $22.50 and there is a 9% meals tax, how much will the bill be?

Lily took a survey of 80 students in 7thgrade and 150 students in 8th grade. She found that 80% of the 7th graders like country music, while only 60% of the 8th graders like it. Which grade has more students who like country music?

• 8th graders

• 7th graders

• both liked the same

Elijah’s puppy weighs 35 ounces. If he weighed 19 ounces at the last visit to the veterinarian’s office, what is the percent increase in the puppy’s weight rounded to the nearest whole number?

Emily bought a pair of headphones on sale. If they usually cost $36.80, and Emily purchased them at 40% off, how much did she pay?

Jack can long-jump 195% of his height with a running start. If Jack is 50 inches tall, how far can he long-jump?

Madelyn hikes 190.5 meters up a mountain. If she is 62% of the way up, how tall is the mountain? Round to the nearest whole meter.

• 118 meters

• 253 meters

• 307 meters

• 11,811 meters