# Multiplication + inverse relationship - practice problems

#### Number of problems found: 17

- 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 4 and a half teaspoons of baking powder are need to make 10 servings of cornbread, how many teaspoons are needed to make 25 servings? - Tennis balls

Can of tennis balls contains 3 balls per can and cost $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

In 2.25 hours, 24 pieces of bread are baked in the bakery. How many breads are baked in the bakery in 6 hours and 45 minutes? - Chicks

How many chicks were hatched from 4500 eggs, when an average of 100 eggs hatched 87 chicks? - Euros

Michal, Peter, John, and Lenka got together 2,400 euros. They share an amount in ratio 2:6:4:3. How many got each of them? - Painter 3

Dad want to paint wall high 250 cm wide and 230 cm with wallpaper. How many meters must buy wallpaper if wallpaper width is 60 cm? - Division

Divide by the number 0.2 is the same as multiply 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 total load must be same? - Medicament

The same type of medicament produces a number of manufacturers in a variety of packages with different content of active substance. Pack 1: includes 60 pills of 600 mg of active substance per pack cost 9 Eur. Pack 2: includes 150 pills of 500 mg of active - Coke

From one ton of coal is produced 772 kg of coke for iron production. How many wagons of coal by 13 tonnes per day is needed for the blast furnace, which has a daily consumption of 1020 tons of coke? - Forestry workers

In the forest is employed 56 laborers planting trees in nurseries. For 8 hour work day would end job in 37 days. After 16 days, 9 laborers go forth? How many days are needed to complete planting trees in nurseries by others if they work 10 hours a day? - Chickens

2 chickens give 2 eggs in 2 days. How many eggs can give 8 chickens for 8 days? - Cats

Two cats caught two mice in two days. How many mouses will catch 6 cats for 6 days? - ŽSR

Calculate fixed annual personnel costs of operating monorail line 118 km long if every 5 km is a station, which serves three people - one dispatcher and two switchmen in 4-shift operation. Consider the average salary of the employee 885 €. - Chocolate

Leslie bought 8 same chocolates for 16 Eur. How many euros will he pay for 25 chocolates?

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Multiplication practice problems. Inverse relationship - practice problems.