Original Price/Percent Error

Marcia went to the grocery store and bought a bag of Doritoes. She estimated there would be 350 chips in the bag, but realized there were only 210 chips in the package. What was her percent error?

• 67%

• 35%

• 92%

• 45%

During class, students measured the length of a shelf. Their answer was 12 cm. The actual measurement was 14.25 com. What was their percent error?

• 15.79%

• 18%

• 2.25%

• 18.75%

The attendance for the basketball game was estimated to be 15.000 people but 12,500 people attended. What was the percent error?

• 20%

• 2500%

• 16.67%

• 83%

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

• 80%

• 15%

• 20%

• 25%

Find the percent error. Round to the nearest tenth of a percent.

Actual speed: 38 mph

Estimated speed: 35 mph

• 8.1%

• 0.79%

• 6.8%

• 7.9%

Jack finds a shirt on sale for $15. The shirt was marked down by 50%. How much did the shirt originally cost?

• $15

• $7

• $30

• $45

Kari is at Dunham's shopping for her dad's birthday gift. She found a deal on the hat he wants and it now costs $39, after the 25% discount. How much did the hat originally cost?

• $156

• $49.88

• $52

• $26

Marco is at a sporting goods store. He finds a baseball signed by Miguel Cabrerra on sale for $96. The baseball was on sale for 25% off. How much did the baseball originally cost?

• $128

• $384

• $105

• $64

Dora is shopping and finds a $228 pair of skates that were marked down by 5%. How much did the skates originally cost?

• $217.60

• $240

• $11.40

• $24

Sebastian is out shopping for a pair of cleats. He finds a pair for $101.50 that are marked down by 71%. How much did the pair of cleats originally cost?

• $173.57

• $142.96

• $350

• $29.44