Percents and Conversions with Proportions Review

  1. On the first math test Kirk answered 19 out of 25 correctly. On the second test he answered 17 out of 20 correctly. Which test did he have the better percentage?
  1. A school will have a fall festival if at least 40% of the 500 students plan to attend. How many students must agree to attend in order for the school to have the festival?
  1. You need 5 gallons of water to fill a fish tank. How many quarts of water do yo need to fill the tank?
  1. Greg and his girlfriend went out to eat. Their bill was $35 and he wanted to leave a 15% tip. How much tip should he leave? How much will Greg spend on lunch?
  1. 150 students at RMS took part in the school clean up. This is 30% of the school’s total students. How many students go to RMS?
  1. Nina answered 80% of the 40 questions on a test correctly. How many correct answers did she have?
  1. A team of marine biologists is working to help a beached whale move back out to sea. If the whale weighs 1.2 tons, how many pounds does it weigh?
  1. JT is buying a new TV that costs $597. He will have to pay 9% sales tax. How much will tax be? How much will JT’s total be?
  1. Antonio has read 147 pages of a book. He has completed 70% of the book. How many more pages does he need to read to finish the book?
  1. Jackson’s mom limits the amount of time he is allowed to play video games. After Jackson plays for 9 minutes, his mom tells him that he has used up 30% of his time. How many more minutes can Jackson play before he uses all of his time?
  1. Andrew made 14 out of 19 shots and Jake made 25 out of 30 shots. Who has the higher percentage of shots made?
  1. A restaurant served 8 gallons of salsa last weekend. How many cups of salsa did the restaurant serve?
  1. Ashley has sold 70% of the 20 candy bars she is supposed to sell for her softball team. How many candy bars does she have left to sell?
  1. John wanted to buy a pair of shoes that were $75 but they were on sale for 33% off. How much will John save? How much will the pair of shoes cost?
  1. The largest fish in the world is the whale shark. It can grow to a length of 46 feet. How many yards long is the whale shark?