Ratio + mass - practice problems - page 6 of 7
Number of problems found: 121
- Cows
Twenty cows have food for 60 days. We reduce the dose to two-thirds for 18 cows. How many days will it feed?
- Kilograms 2561
They baked 325 cakes with 25 kg of flour. How many kilograms of flour do they need to bake 195 pieces of such cakes?
- Weights
Marry and John together, weighing 49 kg. Their weights are in a ratio of 1:6. Determine their weights.
- Dairy
Diary workers calculated according to the standards from the 108 liters of milk can produce 9 kg of cheese. According to norms, how many tons of cheese could be made from milk from 100 cows devoted for 30 days with an average daily milk yield of 10 liters
- Apples
Mr. Vesely gives the market his own 48 kg of apples, 40 kg from Mr. Kovar, and 72 kg from Mr. Novak. They earned a total of 1,920 CZK. How must we divide income money for apples?
- Tea blend
Tea blends are made from two kinds of tea. In standard tea, the mixture is two teas in the ratio of 1:3, and 40 g costs 42 CZK. In the premium tea mixture, weighing two teas in the ratio of 1:1 and 50 grams costs 60 CZK. How much cost 10 grams of a more e
- Metal alloy
What is the metal ratio in the alloy in the 50 tonnes of steel to 30 kg nickel?
- Coal
The daily consumption of 1.6 tons of coal is sufficient to supply the boiler for 42 days. How long is sufficient to supply when it burns only 1.2 tons of coal a day?
- The horses
A couple of horses consume 88 kg of oats for 14 days. How many oats consumed seven horses at the same consumption for six days?
- Pizza
Pizza with a diameter of 50 cm weights 559 g. What diameter will a pizza weigh 855 g made from the same cloth (same thickness) and decorated?
- Metallurgical enterprise
Metallurgical company daily produces 616 tons of cast iron. How many tons of coke does it burns to melt cast iron when 16 tons of cast consumes 11 tons of coke?
- Retail
At what price bought the retail 1 kg goods from wholesale if lost in the distribution is 4% of the weight of the goods, and retail still have a profit of 6.3%? Goods are sold at retail for 25 euro per kg.
- Tare
The gross weight of a shipment is 6314 kg, and its tare is 6%. Calculate the net weight of the shipment.
- Coffee
In-stock are three kinds of branded coffee prices: I. Kind. .. .. .205 Kc/kg II. Kind. .. .. .274 Kc/kg III. Kind. .. .. 168 Kc/kg Mixing these three species in the ratio 8:5:6 create a mixture. What will be the price of 100 grams of this mixture?
- Beer
After three 10° beers consumed in a short time, there is 5.6 g of alcohol in 6 kg adult human blood. How much is it per mille?
- Blood
In the human body, the blood is about 7.3% body weight. How many kilograms of blood are in the human body with a weight of 109 kg?
- Potatoes
Potatoes contain 77% starch. How many potatoes need to obtain 61.2 kg of starch?
- DIY press
Under the socialist regime, in some socialist countries, owning a typewriter required special permission. That has hindered the spread of DIY literature (manually transcribed through carbon copy paper for typewriters). Calculate how many typewriters today
- Carbon dioxide
Calculate how many grams of oxygen are in 58 grams of carbon dioxide CO2. The relative atomic mass of oxygen is 16 and of carbon is 12.
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