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Rates, Percents, and Measurements

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  • What is 30% of 60 people?
    18 people (0.3 x 60 = 18)
  • The ratio of scooters to bikes is 1 scooter to every 3 bikes. If there are 6 bikes, how many scooters are there?
    2 scooters. ( 1 scooter to 3 bikes = 2 scooters to 6 bikes)
  • The ratio of scooters to bike is 5 to 15. How many bikes are there if there is 1 scooter?
    3 bikes (15/ 5 = 3)
  • It costs 12 dollars for 3 boxes of cookies. How much is it for 1 box of cookies?
    4 dollars per box. (12 / 3 = 4)
  • What percent is 1 1/2, or 1.5?
    150/100, or 150%
  • The ratio of scooters to bikes is 5 to 15. If there are 30 bikes, how many scooters are there?
    10 scooters ( Since, 15 x 2 = 30 bikes. 5 x 2= 10 scooters
  • The ratio of scooters to bikes is 5 to 15. If there are 20 scooters, how many bikes are there?
    60 bikes ( 5 x 4 = 20 scooters, so 15 x 4 = 60 bikes)
  • Jake scored 110 points in 10 minutes of playing a game. How many points did Jake score per 1 minute?
    11 points per minute, (110/10= 11)
  • 16 inches = ____ centimeters
    40.64 centimeters ( 2.54 x 16 = 40.64)
  • 10% of what number is 20 dollars?
    200 dollars ( 20 / 0.1= 200)
  • You read 2 chapters each hours. If you read for 3 hours how many chapters did you read?
    6 chapters (2 x 3 = 6)
  • What fraction a score of 85%
    85/100 or 17/20
  • What percent is 3/5?
    60/100 or 60%
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