Fractions + direct relationship - math problems

Number of problems found: 70

  • Expression
    fractions If it is true that ? is:
  • Supermarket
    vaha_17 In a local supermarket, 3/5 kilograms of squid cost 156.00. How do 4 kilograms of squid cost?
  • Cyclist
    cyclist Cyclist drives 5 km in half an hour, how long will drive in 3 hours?
  • A bucket
    watertank A bucket has 4 liters of water in it when it is 2/5 full. How much can it hold?
  • Chicks
    kuriatko How many chicks were hatched from 4500 eggs, when an average of 100 eggs hatched 87 chicks?
  • Change the numbers in the ratio
    fraction_2 Change the numbers 29, 38, and 43 in a 3: 4 ratio.
  • Divide money
    zlomky Divide 1200 USD at a ratio of 1:2:3:4:5:6:9:10
  • Building
    wood_3 At the building, we divided 240 boards into two piles in a 5: 3 ratio. How many were fewer boards in the lower pile?
  • Tennis balls
    tenis Can of tennis balls contains 3 balls per can and cost $7 how much will it cost for 36 tennis balls?
  • Report 2
    skola_4 A School reports students to teacher ratio of 6:1. If there are 45 teachers in the School, how many students are there?
  • Grandmother's clocks
    kukuckove-hodiny Grandmother's clock is late every hour by half a minute. Grandmother set the clock exactly at 8.00 am. How many hours will show after 24 hours?
  • Brass
    brass Brass is an alloy of copper and zinc in a ratio of 3: 2. How many grams does a component that required 270 g of copper weigh?
  • Photo egative
    negativ Negative dimensions are 36mm and 28mm. What will be the photo size in the 21:4 ratio?
  • Study
    time_4 For 7 hours of study, she scored a 75, so if she made 93, how many hours would she need to study?
  • Kilo candy
    bonbons_11 One kilogram of chocolate candy cost 10 euros. Kate buys 250 grams and had the 8 pack of candy. How much does cost one bonbon?
  • Composite ratio
    penize_49 Jakub, Aneta, and Lenka divided 1342 USD in the ratio 5/2: 3/10: 1/4. How much did Lenka take?
  • TV fail
    old_tv The TV has after 10,000 hours average 35 failures. Determine the probability of TV failure after 400 hours of operation.
  • Bonus
    moeny The gross wage was 1323 USD including 25% bonus. How many USD were bonuses?
  • Divide
    rectangles_12 Divide area of rectangles with dimensions 32m and 10m by the ratio 7: 9. What area corresponds to a smaller section?
  • Snack
    minca_1 CZK 450 was paid for a snack for 30 pupils. How many CZK will we pay for the same snack for 28 pupils?

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