Study

Direct Proportion

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  • If 3 light bulbs consume 60 watts, how much do 10 light bulbs consume?
    200 watts
  • If 5 people drink 10 liters of water in a day, how much water will 15 people drink in the same time?
    30 liters
  • If 4 workers can complete a project in 10 days, how many days will it take 10 workers?
    4 days
  • If a freelancer earns $200 for 5 hours of work, how much will they earn for 15 hours?
    $600
  • If it costs $200 to paint 4 rooms, how much will it cost to paint 10 rooms?
    $500
  • If 1 gardener can water 20 plants in 1 hour, how many plants can 4 gardeners water in the same time?
    80 plants
  • If a cake recipe requires 2 cups of sugar for 8 servings, how much sugar is needed for 20 servings?
    5 cups of sugar
  • If a cyclist can travel 12 miles in 1 hour, how far can they travel in 4 hours?
    48 miles
  • If 2 pens cost $1.50, how much will 8 pens cost?
    $6.00
  • If 4 pizzas can feed 12 people, how many pizzas are needed for 30 people?
    10 pizzas
  • If 1 roll of wallpaper covers 20 square feet, how many rolls are needed for 100 square feet?
    5 rolls
  • If it costs $15 to package 10 items, how much will it cost to package 40 items?
    $60
  • If a boat travels 30 miles in 1 hour, how far will it travel in 3.5 hours?
    105 miles
  • If 3 pounds of apples cost $6, how much do 5 pounds cost?
    $10
  • If a train travels 120 miles in 2 hours, how far will it travel in 5 hours?
    300 miles
  • If a printer can print 50 pages in 1 minute, how many pages can it print in 10 minutes?
    500 pages
  • If 5 candies cost $2, how much will 15 candies cost?
    $6
  • If 1 plant grows 2 inches in a month, how much will 5 plants grow in the same time?
    10 inches
  • If a worker earns $15 per hour, how much will they earn in 8 hours?
    $120
  • If 1 printing machine can print 1000 books in 5 hours, how many books can 3 machines print in the same time?
    3000 books
  • If a runner covers 4 miles in 30 minutes, how far will they cover in 1 hour?
    8 miles
  • If 2 liters of fruit juice is made from 4 cups of concentrate, how much concentrate is needed for 10 liters?
    20 cups of concentrate
  • If 2 scoops of ice cream cost $4, how much do 5 scoops cost?
    $10
  • If a car travels 60 miles in 1 hour, how far will it travel in 3 hours?
    180 miles
  • If it takes 2 hours to travel 100 miles, how long will it take to travel 250 miles?
    5 hours
  • If a car consumes 8 gallons of fuel for 240 miles, how much fuel will it consume for 600 miles?
    20 gallons
  • If it takes 4 hours to paint 2 rooms, how long will it take to paint 5 rooms?
    10 hours
  • If a sprinter runs 100 meters in 10 seconds, how far will they run in 25 seconds?
    250 meters
  • If a recipe requires 4 cups of flour to make 12 cookies, how much flour is needed to make 30 cookies?
    10 cups of flour
  • If it takes 30 minutes to bake 12 muffins, how long will it take to bake 30 muffins?
    75 minutes