Simple proportion - practice problems - page 3 of 15
Number of problems found: 299
- Calculate 80741
In the camp, the children made a mock-up of the campsite. In its center was a maple, which had a height of 28 cm on the model. Calculate the height of the maple in the campsite if, in the morning, it casts a shadow 14 m long and its model has a shadow 49 - Determine 80734
You need to prepare 450 g of meat for four servings. It will determine how many grams of meat need to be prepared if we are preparing three more portions. - Application 80696
A worker makes 12 furs in 12 hours. One truck has 20 m³. The price for the application is 2.45 euros/m³. What will be the hourly output in euros? - Calculate 80625
Half a kg of coffee costs CZK 124. Calculate how many crowns you will pay for 3/4 kg of this coffee.
- Kilograms 80532
75 kg of flour is ground from 100 kilograms of wheat. How much wheat is needed to obtain 135 kg of flour? - Twenty-five 80531
People must collect twenty-five tons of waste paper to save 160 trees. How many kilograms of paper must be collected to save 32 trees? - Pasture 79214
I need to find out the number of bulls in the third period. In the first period, 12 bulls grazed on 3 and 1/3 ha for 4 weeks. In the second period, 21 bulls graze on 10 ha for 9 weeks. How many bulls in the third period graze for 24ha and 18 weeks? The pa - 6 Pipes
6 Pipes are required to fill a tank in 1 hour 20 minutes. How long will it take if only five pipes of the same type are used? Give your answer in hours and minutes. - Thabo
Thabo uses 3 ½ liters of petrol per week for his motorcycle. How long will he be driving with 49 liters?
- Garden tree
Anna is drawing a picture of her garden. A tree is 9 meters high, and she draws it as 13.5 cm tall in her drawing. If a flowering plant is 40 cm high in reality, how will Anna have to draw it to keep the proportion correct? - Building a wall
If 12 men can build a wall 398 meters long in 48 days, how long would it take 33 men to build a wall 347 meters long? Answer to 3 decimal places. - A father
A father wants to leave 30,000 to his four children in the ratio of 1:2:3:4. How much will each child receive? - Car fuel
Tanya drove 3 1/2 hours and used 1/3 tank of gas. For how long could Tanya drive using a 1/2 tank of gas? Enter your answer as a mixed number in the simplest form in the box. - Pamela 2
Pamela drove her car 99 kilometers and used 9 liters of fuel. She wants to know how many kilometers (k) she can drive with 12 liters of fuel. She assumes the relationship between kilometers and fuel is proportional. How many kilometers can Pamela drive wi
- Shadow 73354
How long is the shadow of a tree 7.6 m high, and the shadow of a 190 cm high road sign is 3.3 m long? - Connected 73184
The tractor driver connected two seed drills behind the tractor and sowed 7 ha of grain in 5 hours. How many hectares did he plant in 8 hours the next day if he connected three seed drills? - Relay 2
Marco Racer's best time in the 100-yard relay is 15 1/4 seconds. How many seconds would it take him to run 450 yards at the same rate? - Balloons 72174
On the first day, 25% of the balloons were sold. On the second day, 45% of the balloons were. How many percents of balloons did they have left on the third day? - Determine 70834
At the same time, a vertical 2-meter pole casts a shadow of 0.85 meters. At the same time, a chimney of unknown height casts a 45m long shadow. Determine the height of the chimney.
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