Ratio + mass - practice problems - page 3 of 7
Number of problems found: 122
- Salt solution
Calculate the weight of a 50% salt solution we prepare from 120 g of salt. - Salami 54461
500 g of salami costs 4.2 euros. How much do we pay for 0.75 kg of salami? - Big school kitchen
Suppose 250 learners can be fed by 75kg. How many kg can 600 learners be fed? - White and blue - Anna
Anna used 8.1 pints of white and blue paint to paint her bedroom walls. Four-fifths of this amount is white paint, and the rest is blue paint. How many pints of blue paint did she use? Express your answer in fraction and decimal form. Solve on paper.
- Recipe 2
Anna's making muffins! These ingredients make 12 muffins: 3/4 cup of flour, 1/2 cup of sugar, 1/4 teaspoon salt, 1 cup of milk, 1/3 teaspoon cinnamon, 7 tablespoons butter, 2 teaspoons baking powder, 1 egg 2 tablespoons brown sugar. Anna has an 8-muffin t - 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. - Indicated 32771
Did Sonia not like the ratio indicated on the jelly sugar; which picture is wrong and why? A) for 1000g of fruit, add 350g of sugar 3:1: super jelly sugar B) 3:1 for 1500 g of fruit, add 500 g of sugar: extra jelly sugar - Distribute 32451
The king cannot decide how to distribute 4 cubes of pure gold, which have edges of length 3cm, 4cm, 5cm, and 6cm, to two sons as fairly as possible. Design a solution so that the cubes do not have to be cut. - 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?
- Coins
The money - coins are minted from the hardest bronze, which contains copper and tin in a ratio of 41:9. How much copper and tin are in 2kg of bronze money? - Four-component 27131
The four-component ointment contains components A, B, C, and D. Components A and B are mixed in a ratio of 1: 2, components B and C in a ratio of 3: 5, and components B and D in a ratio of 4: 3. In what proportion should the pharmacist mix the ointment? - Save trees
Twenty-five tons of old paper will save 1,600 trees. How many tons of paper are needed to save the 32 trees in the park? - Ratio
Alena collected 7.8 kg of blueberries, 2.6 kg of blackberries, and 3.9 kg of cranberries. Express the ratio in the smallest natural numbers in this order. - Kilogram 24921
Dahlia cooks with her mother apple slices. They mixed flour, sugar, and butter in a ratio of 10: 3: 2. How many grams of sugar and butter did they put in half a kilogram of flour?
- The piglet
The weight of the piglet regularly grew by five kilograms for four months. Determine the proportion by weight of the piglet each month if the first weighed 35 kg. - Brass
Brass is an alloy of copper and zinc in a ratio of 3:2. How many grams does a component that requires 270 g of copper weigh? - Drying
The raw wood beam weighs 85 kg. It is calculated that drying will reduce its weight in a ratio of 5:6. What will be the weight of this beam after drying? - Measuring 22473
0.9 kg of paint is needed to paint a fence measuring 1.2 m x 9.6 m. How much paint will be required to paint a fence measuring 1.6m x 18m? - Plums
By drying 3 kg of fresh plums, we obtained 750 g of dried plums. How many kilograms of fresh plums need to be dried if we want 1.5 kg of dried plums?
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