Gr7 topic 3 Revision

Of the 520 students in Grady Elementary, 65% ride the bus. How mnay students ride the bus?

• 338 students

• 65 students

• 500 students

• 585 students

• 455 students

Of the 520 students in Grady Elementary, 65% ride the bus. How mnay students ride the bus?

• 338 students

• 65 students

• 500 students

• 585 students

• 455 students

Sam had 9 puppies. After giving some away, Sam had 4 puppies left. What is the percent change in the number of puppies? Round to nearest whole percent if necessary.

• 56% decrease

• 125% decrease

• 56% increase

• 125% increase

A shirt that normally costs $40 is on sale for $22. What percent of the regular price is the sales price?

• 0.55%

• 55%

• 181%

• 1.81%

A shirt is on sale for 25% off. If the shirt is usually $40, what is the sales price now?

• $10

• $30

• $1,000

• $160

In the 1960s a Big Mac was $0.45 and in the 2010s it was $4.19.  Which equation shows how to find the percent increase?

Mrs. Ciampa had 27 students in her class last year and this year she had 30 students in her math class. What is the percent of change?

• 24%
• 20%
• 11%
• 50%

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%

Jessie estimates the weight of her cat to be 8 pounds.  The actual weight of the cat was 10 pounds.  Find the percent error.  

• 15%
• 20%
• 25%
• 30%

Ms. Brown estimated 70 students would try out for the Cross Country team. This year, only 63 students tried out. What was her percent error?

• 11%
• 50%
• 12%
• 1%