Simple proportion + mass - practice problems
Number of problems found: 27
- Sack of rice
A 50-kilogram sack of rice has a price ₱1 750. How much do you pay if you only buy 35 kilograms of it?
- Big school kitchen
If 250 learners can be fed by 75kg. How many kg can 600 learners can be fed?
- 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.
- Mushroom risotto
630g of rice is needed to prepare mushroom risotto for four people. How many boxes of 500g rice do you have to buy to prepare risotto for 17 people?
- Coke and coal
20.1 tons of coke is produced from 30 tons of black coal. How much coke is made from 1 kilogram of coal?
- Olive seeds
5 kg of oil is pressed from 100 kg of seeds. How many kgs of seeds do we need to produce 85 kg of oil?
- Save trees
25 tons of old paper will save 1,600 trees. How many tons of paper is needed to save the 32 trees in the park?
By drying 3 kg of fresh plums, we obtained 750 g of dried plums. How many kg of fresh plums need to be dried if we want to get 1.5 kg of dried plums?
- Mixture of nuts
Alice bought a mixture of nuts containing cashew nuts, hazelnuts and peanuts in a ratio of 1: 2: 3. Calculate the weight in grams of the whole mixture if the peanuts weigh 90 g.
- The devils
The devils weighed in hell with Dorota. They found that Dorota and the two devils weigh 250 kg together, and Dorota and the four devils weigh 426 kg. All the devils weigh the same. How Much Does Dorota Weigh?
- Sugar production
From 1 ton of beet, 150 kg of sugar is produced. To clean 1 ton of sugar, 450 kg of lime is consumed. Calculate how many kgs of lime is consumed when processing 1 ton of sugar beet?
- Two bricks
One brick weighs 1kg and half a brick, how many kilograms weigh two bricks?
School kitchen bought 36kg apples for 12 kc/kg. How many kilograms of apples 1/4 cheaper can they buy for the same money?
In a local supermarket, 3/5 kilograms of squid cost 156.00. How do 4 kilograms of squid cost?
- Apple juice
From 7 kg of apples we get 3 liters of apple juice. How many liters of juice do we get from 42 kg of apples?
1 pallet of pellets costs 5040 without VAT. 1 pallet weighs 1050 kg. How much does 1 ton costs?
- Sugar 9
150 kg of sugar beet yields 24 kg of sugar. From how many tons of sugar beet can be obtained three tons of sugar?
The baker makes from 10 kg of flour 12 kg dough. How much flour he need to make a 100 kg dough?
- Dried apples
How many kilograms of fresh apples id needed to 120 kg of dried apples when from 0.4 tons of fresh apples we get 75 kg of dried apples?
18 m railway weighs 1260 kg. How much weighs 100 m of welded railways?
Simple proportion - practice problems. Mass - practice problems.