Inverse proportion - practice problems - page 8 of 20
Number of problems found: 388
- Snack
The teacher paid CZK 450 for a snack for 30 pupils. How many CZK will we pay for the same snack for 28 pupils? - Bricklayers 18773
According to the standard, we calculated that two masons would plaster the corridor of the new school building in 54 hours. How long would it take for nine bricklayers to plaster this corridor? - Consumption 18743
With the consumption of 0.4 t of coal per day, the supply lasts for 36 days. How many days will the supply be enough if 16 kg of coal is used less daily? - Approximately 18733
Last year, Mirek's aunt dried 4.8 kg of fallen apples from 30 kilograms of fallen apples. He wants to dry the crosses from 50 kilograms of apples this year. Approximately how many kg will he gain?
- Fifteen 18403
Fifteen ants bring 10 g of food to the anthill in 1 hour. In how many hours will five ants carry 1 kg of food? - Produced 18213
In the factory, they produced 1,500 products a week on five machines. How many machines do they need to produce 2,000 products a week? - Together 17881
Six maids make 200 beds in 2 hours. One maid makes 50 beds alone. Then, they all continue together. How long will it take them to make the rest of the beds together? - Milk2cheese
From 40 liters of milk, 8 kg of cheese is produced. How many liters of milk are needed to produce 2 kg of cheese? - Flowerbed 17183
Six pupils will adjust the flower beds on the school grounds in 2 hours. In how many hours will four pupils change the same flowerbed?
- Smaller 17093
There are two gears in the wall clock. The larger wheel has 54 teeth, and the smaller one has 24 teeth. How many times does the small wheel turn if the big one turns four times? - Strawberries 16473
On the farm, twelve part-timers planned to harvest a crop of strawberries in 5 days. On the fifth day in the weather forecast, they reported rain. How many part-timers will they need to harvest the strawberries in four days? - Worker's performance
Fifteen workers paint a 180 m fence in 3 days. In how many days will nine workers paint a 360 m fence? We assume that each worker has the same, constant, and unchangeable performance. - Hectoliters 16023
100hl of water flows out of the tank through three pipes in 8 hours. How many hectoliters of water flow through four pipes in 10 hours? - Fast tourists
If three tourists pass the route in 5 hours, how long will the same route take six equally fast tourists?
- The bakery
The bakery baked 325 cakes from 25kg flour. How many kilograms of flour do they need to bake 195 pieces of such cakes? - Filling 15983
Five 1800hl filling pumps in 3 hours for how long does a 4hl filling 1800hl tank? - Dependence 15181
The pool has 12 flow holes, 3 of which are open. It fills up in 24 hours. Express the dependence of the pool's filling time on the number of open flow holes and construct a graph. - Harvesters 14703
Five combine harvesters shit in 12 days. How long does a 2-fold larger field of combine harvesters take? - One third power
Which equation justifies why ten to the one-third power equals the cube root of ten?
Hans, Alena, and Thomas have a total of 740 USD. Hans and Alena split in the ratio of 5:6, and Alena and Thomas in the ratio of 4:5. How much will everyone get?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
