Multiplication + inverse relationship - practice problems
Number of problems found: 26
- Bags
If six bags of flour have a mass of 27 kilograms, what will be the mass of 11 bags? - Costs 82804
3 kg of meat costs €8.10. How many kg of meat can we buy for €27? - Reciprocal 13
What is the product of 5 2/3 and its reciprocal? - Mrs. Sojka
Mrs. Sojka gave her class 12 minutes to read. Natalie read 7 1/2 pages in the time. At what rate in pages per hour did Natalie read? - 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? - Cornbreads
If four and a half teaspoons of baking powder are needed to make ten servings of cornbread, how many teaspoons are needed to make 25 servings? - Tennis balls
A can of tennis balls contains three balls per can and costs $7. How much will it cost for 36 tennis balls? - 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? - In the bakery
24 pieces of bread are baked in the bakery in 2.25 hours. How many breads are baked in the bakery in 6 hours and 45 minutes? - 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? - Chicks
How many chicks were hatched from 4500 eggs, while an average of 100 eggs hatched 87? - Measures 3563
What is the actual length of the road, which measures 5 cm on a 1:250000 scale map? - Supply 3464
Hay stock is enough for four horses for 60 days. How long would this supply last for ten horses? - 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? - Multiply 2762
Which number is to multiply the number by to get the number: a) 1 b) m - 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? - Painter 3
Dad wants to paint the wall high 250 cm, wide 230 cm with wallpaper. How many meters must he buy wallpaper if the wallpaper width is 60 cm? - Division
Divide by the number 0.2 is the same as multiplying by what number? - Lorry
The lorry was loaded with 18 boxes of 15 kg. How many boxes with weight 18 kg can be loaded if the total load must be the same? - Medicament
Many manufacturers produce the same type of medicament in various packages with different content of active substances. Pack 1: includes 60 pills of 600 mg of active substance per pack cost 31.5 Eur. Pack 2: includes 100 tablets of 1200 mg of active subst
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