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Percent Quiz Review

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  • A large university accepts 70% of the students who apply. Of thestudents the university accepts, 25% actually enroll. If 20,000 students apply, how many enroll?
    3,500 students
  • Answer the question above.
    A
  • Use the percent equation: What is 45% of 80?
    36
  • In a fruit salad there are 20 pieces of watermelon, 36 blueberries, 18 pieces of pineapple, and 14 strawberries. What percent of the fruit salad is not pineapple?
    79.5%
  • Emma estimates the weight of her cat to be 10 pounds. The actual weight of the cat is 13.75 pounds. Find the percent error.
    27.3%
  • This holiday season the boy scouts sold 75 wreaths. Next year they want to increase their sales by 20%. How many wreaths will they need to sell next year in order to reach their goal?
    90
  • Of the total students at Satz Middle School, 224 students are picked up by their parent at dismissal. If this is 28% of the total number of students, how many students are at Satz Middle School altogether?
    800
  • On Monday, Chase completed 40% of the total miles he wanted to run for the week. If he wanted to run 20 miles during the week, how many miles does he have left to run for the week?
    12
  • Use the percent proportion: 28 is 35% of what number?
    80
  • A salesperson earns 4% commission on furnace sales. What is the commission that the salesperson earns on the sale of $33,000 worth of furnaces?
    $1320
  • Use the percent equation: 13.44 is 24% of what number?
    56
  • Your family has an annual “guess how many jelly beans are in the jar” contest. This year, your percent error was 6%. The actual number of jelly beans was determined to be 450. What are the two possible values for your estimate?
    423 or 477
  • Use the percent proportion: 14 is what percent of 70?
    20%
  • Avery adopted a 15-pound puppy from the SPCA. After three months, the puppy now weighs 24 pounds. What is the percent of change?
    60% inc
  • A student’s calculator was found to have a 0.4% error and the actual value was determined to be 20 mm. What are the two possible values for the student’s experimental measurement?
    19.92 and 20.08
  • Christian measured the length of an object three times. His three measurements are 20.9 cm, 21.0 cm, and 21.1 cm. The actual length of the object is 20 cm. What is the percent error of Christian’s average result?
    5%
  • In a company, 60%of the workers are men. If 1,380 women work for the company, how many workers are there in all?
    3,450 workers
  • Eleven of the 48 members of the football team are on the field. What percent of the members are playing?
    22.9%
  • On the first season of “The Biggest Loser”, Tom went from 311 lbs to 208 lbs by the end of the season. Find his percent weight loss.
    33.1% dec
  • Find the percent of discount expressed as a percent of change when a $1200 TV sells for $875.
    27.1% dec
  • Answer the question above.
    $110, $22