Topic 3 Review for Test 2019-2020

Aiden estimates that the length of a 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,

Which models the correct proportion to represent the percent of pages in the novel that Olivia has read?

• $\frac{220}{143}=\frac{x}{100}$

• $\frac{220}{143}=\frac{100}{x}$

• $\frac{143}{220}=\frac{x}{100}$

• $\frac{143}{220}=\frac{100}{x}$

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

• $45

• $55

• $35

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?

• 3%

• 30%

• 33%

• .03%

Cameron and Cadena go out to eat for lunch. If their food and beverages cost $22.50 and their is a 9% meal tax, how much is the bill?

• $20.47

• $20.48

• $24.52

• $24.53

Cameron and Cadena go out to eat for lunch. If their food and beverages cost $22.50, their is a 9% meal tax, and they add an 18% tip to the bill after tax, what does their lunch cost in total?

• $30

• $28.94

• $28.95

• $24.53

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

• 5th graders

• 6th graders

• 7th graders

• 8th graders

Elijah's puppy weighs 35 ounces. If he weighed 19 ounces at his last visit, what is the percent increase of the puppy's weight, rounded to the nearest whole number?

• 84%

• 90%

• 80%

• 85%

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?

• $9.20

• $22.08

• $14.72

• $36.55

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

• 975 inches

• 97.5 inches

• 9.75 inches

• 1.95 inches