Simple proportion - practice problems - page 6 of 16
The trinomial is the mathematical notation of the calculation of the unknown term of direct or indirect proportionality from three known values. We write three known values and one unknown on two lines and add arrows. In the same direction if the values are directly proportional, or in the opposite direction if they are inversely proportional. It is a tool for solving the equality of two ratios.Number of problems found: 311
- Water tank
There is water in the block-shaped tank with dimensions of 3 m, 1.5 m 5 m. It occupies 70% of the tank volume. Find the volume of water in the tank (in hl). - Clothes 4
If the cost of 16.5 meters of cloth is ₹2,062.50, then find the cost of 24.75 meters of clothes. - Petrol as fuel
A car can travel 480 miles on a full tank of petrol. The tank holds 60 liters. The fuel gauge shows there are 15 liters left in the tank. How many more miles can the car travel before it runs out of petrol? - Big school kitchen
Suppose 250 learners can be fed by 75kg. How many kg can 600 learners be fed?
- Kilograms 48761
Matthew paints his room. He paints square walls. He painted a wall with a side of 3 m and consumed 5 kg of paint. How many kilograms of paint will he need on a wall with a side length of 6 m? - Part-timers
Six part-timers would take seven hours to pick strawberries. How long would this work take if two more temporary workers were added after three hours? - Feed to hay
How many tons of water do we have to dehydrate from 8 tons of feed if the original moisture is 54 percent to get hay with a moisture content of 15 percent? Round to two decimal places. - Meters 48383
How many meters of wire is in a bundle of 900 g if 10 meters of wire weighs 150 g? - Flooring 46511
The carpet covers 8 m² of flooring, which is one-third of the entire floor area. How big is the whole floor?
- Deadline
Five equally skilled masons built half the wall in 14 days. They must build the remaining part in 6 days to catch the planned deadline. How many more masons need to be allocated for construction? - Three
Three pavers will pave the sidewalk in 4 days. How long does it take for two tiles to pave the same sidewalk? - Carpenters 44401
Eight carpenters will make 30 chairs in 2 days. In how many days will ten carpenters make 72 chairs? - Three-quarters 44381 During the reconstruction of the apartment, the bricklayer built three-fifths of the wall in three-quarters of an hour. How much time does it take to build two walls?
- Michael 42461
Michael will read the book in 8 days if she reads 15 pages daily. How many pages does she have to read per day if she wants to finish the book six days after the start of reading? How many pages does the book have?
- Seamstresses 42451
Eight seamstresses will make the order in 15 shifts. How many will be sewists if they have to complete an order three shifts earlier? - Machineries 42441
Eighty machines weighing 18 kg were loaded per car. How many machines weighing 15 kg will one car take? If the total load mass is to be the same. - Thirty-six 40921 Thirty-six women earned € 2,640 in 5 days during the strawberry harvest. How much € 24 will women earn in 8 days under the same conditions?
- Calculate 38563
Six equally powerful machines produce 870 parts in 14 hours. Calculate in how many hours 870 parts will have four such machines. - Cyclist 37661
The cyclist will travel 22 km in an hour and a half. How long would it take to drive 30 km?
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