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PROPORTIONS

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  • Twelve men can reap a field in 15 days. How many men are needed to reap the same field in 10 days?
    Eighteen men are needed to reap the same field in 10 days.
  • It takes 1 hour and 30 minutes for 5 pipes to fill a tank. How many pipes are needed to fill the same tank in 30 minutes?
    Fifteen pipes are needed to fill the same tank in 30 minutes.
  • Find the value of N such that 3: 6 is inversely proportional to N: 9.
    2
  • John can type 200 words in 2 minutes. How long will it take him to type 600 words?
    6 minutes
  • Six men have enough food for 8 days. How long will the same amount of food last if there are only 4 men?
    The food will last 12 days if there are only 4 men.
  • If 2 men can paint a wall in 36 hours, find the number of hours it will take 6 men to paint the same wall.
    It will take 12 hours for 6 men to paint the same wall.
  • n/6 = 8/4
    12
  • Find the value n in 3 ∶ 5 = n ∶ 15
    9
  • 5/18 = 10/n
    36
  • A recipe for 10 cookies calls for 3 cups of flour. How many cookies can be made if 12 cups of flour will be used?
    40 cookies