Division + inverse relationship - practice problems
Number of problems found: 35
- Marcos 2
Marcos is bringing 36 cookies to his book club, but he's not sure how many people will be there. He wants to write an equation that shows how many cookies each person will get in terms of how many people (symbol n) are there. - Costs 82804
3 kg of meat costs €8.10. How many kg of meat can we buy for €27? - Identical 81873
Three identical pumps empty the tank in 1.8 hours. How long will it take 5 pumps to empty this tank? - The product 5
The product of two numbers is 250. One factor is 1/10 of 250. What is the second factor? What is the reciprocal of 1/10 of 250?
- Quotient and subtraction
Sixteen minus the quotient of 12, and what number is thirteen? - Mrs. Zarka
Mrs. Zarka has three pies for a party. She calculates that if she splits the pies evenly among the guests, they will each receive 1/6 of a pie. How many guests are there? - Mushroom risotto
630g of rice is needed to prepare mushroom risotto for four people. How many boxes of 500g rice do you have to buy to prepare risotto for 17 people? - Tennis balls
A can of tennis balls contains three balls per can and costs $7. How much will it cost for 36 tennis balls? - Minutes 19183
A worker loads sand into a car in 5 hours. How many minutes will this carload a loader 120 times faster than a worker?
- Temporary workers
Three temporary workers work in the warehouse and unload the goods in 9 hours. At what time would five temporary workers unload the same products? - Finish 7649
If I read 15 pages daily, I will read the book in 20 days. How many pages do I have to read a day if I want to finish the book in 12 days? - Equation - inverse
Solve for x: 7: x = 14:1000 - Composite ratio
Jakub, Aneta, and Lenka divided 1342 USD in the ratio of 5/2:3/10:1/4. How much did Lenka take? - Twelve
Twelve students work on a week forestry brigade. One hundred spruces will receive x CZK, one hundred pine y CZK. How many receive each student in one day if they planted a total of 25,000 spruces per week and 30,000 pine trees? Express by expression.
- Chicks
How many chicks were hatched from 4500 eggs, while an average of 100 eggs hatched 87? - Supply 3464
Hay stock is enough for four horses for 60 days. How long would this supply last for ten horses? - Loading car
The car was loaded with 78 boxes weighing 19 kg. How many 25kg boxes can it load if the total weight is the same? - Millimeters 2851
On a 1:10,000 scale map, two cities are 8.5 cm apart. What distance in millimeters will these cities have on a 1:25,000 scale map? - Euros
Michal, Peter, John, and Lenka got together 2,400 euros. Do they share an amount in a ratio of 2:6:4:3. How many got each of them?
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