Direct proportionality - math word problems - page 24 of 35
Number of problems found: 697
- 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
The chauffeur paid 54 euros for a nearly full tank of 40 liters of gasoline. If the car has an average fuel consumption of 7 liters per 100 kilometers, how many euros will it cost to travel 250 km? - 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?
- Three children
Three children eat eight chocolates in 6 days. How many chocolates do six children eat in 18 days? - Students 3890
Three students drink 2 liters of milk a week. How many liters of milk do nine students drink in two weeks? - 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 changed this number to a ratio of 2:5, he got the number 2.8. Determine what number Daniel thinks. - Coefficient: 3849
Determine the similarity coefficient: a) 4.8; 5.6; 8.4 b) 1.44; 1.68; 2.52 - 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?
- Determine 3784
The teacher brought to class two wooden models of cones, which were made of the same type of wood. The first model weighed 800g. The other had twice the base radius but half the height. Determine the mass of the second cone in grams. - Sides ratio
Calculate the circumference of a triangle with an area of 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 much Denis got. - 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? - Dalibor 3744
Milan and Dalibor have a total of 25 euros. Their amounts are in the ratio of 2:3. How many euros would Milan have to give to Dalibor so their payments were 1:4?
The sprinter ran a distance of 500 meters in 61 seconds. How long would it take him to run a distance of 1,200 meters if he kept running at the same pace?Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
