Percentages

What is 25% of 80?

• 15

• 20

• 25

• 30

Tags

CCSS.7.RP.A.3

What is 60% of 150?

• 75

• 90

• 100

• 120

Tags

CCSS.7.RP.A.3

A TV originally costs $400. It is marked down by 15%. What is the sale price?

• $340

• $360

• $385

• $320

Tags

CCSS.7.RP.A.3

A jacket is originally $50, but the store marks it up by 20%. What is the new price?

• $55

• $60

• $70

• $75

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.2

CCSS.7.RP.A.3

If a shirt was originally $45 and is now $36, what is the percent decrease?

• 10%

• 15%

• 20%

• 25%

Tags

CCSS.7.RP.A.3

The original price of a computer is $800, and after a 25% increase, what is the new price?

• $950

• $975

• $1,000

• $1,050

Tags

CCSS.7.RP.A.3

If you estimate the number of students in a class as 30 but the actual number is 33, what is the percent error?

• 5%

• 8%

• 9.1%

• 10%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Amari measured the length of a pen to be 22 cm. The actual length of the pen is 23 cm. What is the percent error of Amari's measurements? Round to the nearest tenth.

Tags

CCSS.7.RP.A.3

In an experiment, the calculated speed of sound was found to be 345 m/s, while the actual speed was 340 m/s. What is the percent error? Round to the nearest hundreth.

Tags

CCSS.7.RP.A.3

Mr. Mason thought he would make 5 mistakes in class. He actually made 8, what is his percent error?

• 37.5%

• 60%

• 30%

• 75%

Tags

CCSS.7.RP.A.3