Ratio + direct relationship - practice problems - page 12 of 18
Number of problems found: 358
- Three-quarters 4216
The machine moves 36 products in half an hour. How many products will move in three-quarters of an hour? - Underwater 4189
The water pillar is partly embedded in the ground, partly underwater, and protrudes 55 cm above the water. The length of the part above the water to the length of the part in the water is in the ratio of 1:2. The length of the part above the water to the - 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? - Ornamental shrubs
Children committed to planting 240 ornamental shrubs. Their commitment, however, was exceeded by 48 shrubs. Write the ratio (r) of actually planted shrubs and commitment by the lowest possible integers a/b.
- 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?
- Three friends
Three friends divided the profit by 104,650 CZK, so that for every 4 CZK, which got the first friend equals five crowns for the second, and for every 9 CZK, which got the second equals 16 CZK for the third. Question: Who got the most and how much? - Change the numbers in the ratio
Change the numbers 29, 38, and 43 in a 3:4 ratio. - Runner 2
Marian runs 12 meters in 8 seconds. How far would Marian run for 70 seconds if he still runs at the same pace? - Difference 3875
The four numbers are in a ratio of 5:7:4:6. Their difference is equal to -84. Specify these numbers. - Unknown number 5
Daniel thinks of an integer. When he change this number at a ratio of 2:5, he got the number 2.8. Determine what number Daniel thinks.
- Numbers 3819
Change the numbers 48, 27, and 36 in a ratio of 5: 3. - Prism bases
Volume perpendicular quadrilateral prism is 360 cm³. The edges of the base and height of the prism are in the ratio 5:4:2. Find the area of the base and walls of the prism. - Surfaces 3793
The volumes of the two cubes are in the ratio of 27:8. What is the ratio of the surfaces of these cubes? - Sides ratio
Calculate the circumference of a triangle with area 84 cm² if a:b:c = 10:17:21 - Unknown amount of money
Damian and Denis split an unknown amount in the ratio of 5:4. Damian got six euros more than Denis. Calculate an unknown amount. Determine how much money Damian got and how Denis.
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