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Ratios, Rates, and Percents

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  • In a class of 30 children, 18 of the children are girls. What percent of the class are boys?
    40%
  • The ratio of lions to tigers is 8:9. If there are 27 tigers, how many lions would there be?
    24
  • An assistant cook peeled 18 potatoes in 6 minutes. At this rate, how many potatoes will they peel in 1 hour?
    180
  • Henry was looking at his streaming music stats. The ratio of songs he liked to disliked was 3:5. If he disliked 490 songs, how many total songs did he listen to?
    784
  • Millie is grocery shopping with her family. Her family has 60% of the items on their shopping list. Millie sees 12 items in the cart. How many grocery items are on the list?
    20
  • Morgan County Middle School has 800 students. Every Wednesday, 12% of the students stay after school for art club. How many students stay for art club?
    96
  • 24 is 75% of what number?
    32
  • A factory makes 21 bicycles in 3 hours. How many can they make per hour?
    7
  • Portia travels 248 miles in 4 hours. At this rate, how many miles would Portia travel in 6 hours?
    372
  • Alex earned $30.00 in 3 hours. What is his unit rate of dollars per hour?
    $10.00
  • In August, Haley's store sold 266 shirts with the ratio of short sleeve to long sleeve being 10:9. How many short sleeves were sold?
    140
  • There are 5 dogs for every 6 cats in a pet store. What is the ratio of cats to dogs?
    6 to 5
  • 3 is what percent of 5?
    60%
  • Bill sold 38 papers in 2 hours. At this rate, how long would it take to sell 133 papers?
    7 hours
  • What is 70% of 20?
    14
  • The store was selling 4 chocolate bars for $2.00. How much would one chocolate bar cost?
    $0.50
  • Tipton spends 25 minutes studying math, 35 minutes studying science, and 40 minutes studying social studies. What percentage of his time is spent studying science?
    35%
  • In a group of 32 students, 25% of the children have blue eyes. How many students do not have blue eyes?
    24