Direct relationship + simple proportion - practice problems - page 8 of 9
Number of problems found: 167
- Three-quarters 4216
The machine moves 36 products in half an hour. How many products will move in three-quarters of an hour? - Workers 4168
Ten workers manage to repair the road in 22 days. After four days, two more workers joined to speed up the work. How many days does it take to repair the road? - Pumps
Five pumps pumped 1,800 hl of water for 3 hours. How many hectoliters of water pump same two powerful pumps for six hours? - Dried apples
How many kilograms of fresh apple is needed for 120 kg of dried apples when from 0.4 tons of fresh apples, we get 75 kg of dried apples?
- Baking bread
When grinding 100 kg of grain, we obtain 75 kg of flour for food purposes, about 23 kg of bran, which has further use, and about 2 kg is waste. 4.5 kg of bread is baked from 4 kg of flour. a) Baker can bake how many kilograms of bread from 100 kg grain? b - Bicycle gears
The toothed wheel on the bicycle pedal has 40 teeth, and the wheel on the rear wheel has only 16 teeth. How many times does the rear wheel turn if the pedals rotate 50 times? - Gasoline
For a nearly full tank of 40 liters of gasoline, the chauffeur paid 54 euros. How many euros will it cost to go 250 km long if the car has an average fuel consumption of 7 liters per 100 kilometers? - Rails
18 m railway weighs 1260 kg. How much weighs 100 m of welded railways? - Painting rooms
If Daniel paints for three hours daily, he completes it in 7.5 days. How many hours a day would he have to work to finish the job 1.5 days earlier?
- Good swimmer
A good swimmer swims 23 m distance with ten shots. How many shots does he swim to an island located at 81 m if he still swims at the same speed? - Sugar
From 3 tons of sugar, beet produced 480 kg of sugar. How many tons of sugar was produced from 17.5 tons of sugar beet? - Pumps
Four identical pumps fill the tank in 40 hours. How many pumps would we have to use if we wanted to save 8 hours? - Weight 3618
Fifty pins with the same weight weigh 4.6 grams. How much do 15 pins weigh? - Discount 3583
The TV cost € 420 after a 9% discount. How much did he cost before the discount?
- Department 3500
The city plan has a scale of 1:5 0000, which determines the actual dimensions of a department store that has a length of 18 mm and a width of 25 mm. - Working time
At 10 hours work shift, work is done in 16 days. How many days will the work be done at 8 hours shifts? - Ratios
Reduce the numbers: 50 in a 1:2 ratio 111 at a ratio of 2:3 70 at 10:50 560 at a ratio of 3:8 - Cylinder
The cylinder-shaped container has 80 liters of water. The water reaches 45 cm in height. How many water liters will be in a container if the water level extends to a height of 72 cm? Write the result in liters. Write down only as a whole or decimal number - Shadow and light
Nine meters height poplar tree has a shadow 16.2 meters long. How long does shadow have at the same time as Joe if he is 1,4m tall?
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