Topic 3 Assessment Study Guide

Aiden estimates that the length of a piece of rope is 7.52 inches. If its actual length is 7.92 inches, what is the percent error of Aiden’s estimate?

• 5%
• .5%
• .95%
• 1%

Tags

CCSS.6.RP.A.3C

Olivia has read 45 pages of a 105 page novel.
Chose the correct proportion to represent the percent of pages in the novel that Olivia has read.

• ¹⁰⁵/₄₅ = ¹⁰⁰/_x
• ⁴⁵/₁₀₀ = ^x/₁₀₅
• ⁴⁵/₁₀₅ = ^x/₁₀₀
• ¹⁰⁰/₁₀₅ = ⁴⁵/_x

Solve the following percent proportion
 ⁴⁵/₁₀₅ = ^x/_{100
Round to your nearest whole percent}

• 42.9%
• 43%
• .42%
• 42%

A bike store sells scooters at a 32% markup. If the store bought each scooter for $85.50, what is the resale price to the nearest dollar?

• $29.93
• $115.43
• $155
• $115

Tags

CCSS.6.RP.A.3C

Mason took out an $8000 loan from the bank. At the end of 6 years, he pays back the principal, plus $420 simple interest. What was the interest rate?

• 1%
• 10%
• 4.2%
• 31.5%

Tags

CCSS.7.RP.A.3

Cameron and Cadena go out to eat for lunch.
If their food and beverages cost $36.50 and there is a 7.5% meals tax, how much is the bill?

• $39.24
• $2.74
• $40.25
• $36.50

Tags

CCSS.6.RP.A.3C

Cameron and Cadena go out to eat for lunch and their bill is $39.24. 
If Cameron and Cadena add an 20% tip to the bill after tax, what does their lunch cost in total?

• $7.85
• $47.00
• $47.08
• $31.39

Tags

CCSS.6.RP.A.3C

Lily took a survey of 60 students in 7th grade and 120 students in 8th grade. She found that 60% of the 7th graders like country music, while only 50% of the 8th graders like it. Which grade has more students who like country music? 

• More 7th graders like country music than 8th graders bc 60% is more than 50%
• More 8th graders like country music than 7th graders bc 60 is greater than 36

Elijah’s puppy weighs 44 ounces. If he weighed 22 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

• 50%
• 100%
• 200%
• 25%

Tags

CCSS.6.RP.A.3C

Emersyn bought a pair of headphones on sale. If they usually cost $102.00, and Emersyn purchased them at 30% off, how much did she pay?

• $71.40
• $132.60
• $72.00
• $132.00

Tags

CCSS.6.RP.A.3C