Unit 4 TEST review - 7th grade

Calculate the percent increase. Round to the nearest percent.

Original: 45

New: 92

• 51%

• 1.04%

• 104%

• .51

Calculate the percent increase. Round to the nearest percent.

Original: 74

New: 85

• 0.15%

• 0.13%

• 13%

• 15%

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 is the total price of a book if Barnes and Nobles gets it for $4.25 and the markup is 30%?

• $55.25
• $1.28
• $5.53
• $4.38

The attendance for the basketball game was estimated to be 15,000 people but 12,500 people attended. What was the percent error?

• 16.67%
• 20%
• 2500%
• 80%

Zed went to the store and bought a bag of chips.  He estimated there would be 350 chips in the package, but realized there were only 210 chips in that package.  What was his percent error?

• 35%
• 67%
• 85%
• 92%

Sam thinks the cost of the book is $50, but actually it's $56. What is Sam's percent of error?

• 10.7%
• 6%
• 12%
• 89%

What percent is equivalent to 7 out of 10?

• 13%
• 17%
• 37%
• 70%

What percent is equivalent to 13 out of 20?

• 7%
• 13%
• 26%
• 65%

what is 15% as a decimal?

Answer explanation

Remember, move the decimal point to the LEFT 2 places to change a percentage into a decimal.