Mass - math word problems - page 72 of 76
Number of problems found: 1515
- Salt
One ton of seawater contains 25 kg of salt. How many tons of seawater must be evaporated to obtain 2 q of salt? - Metal alloy
What is the metal ratio in the alloy in the 50 tonnes of steel to 30 kg nickel? - Barrel 3
The barrel with water weighs 118 kg. When we get off 75% of water, it weighs 35 kg. How many kg has an empty barrel? - Expensive 1636
A pound of Idared apples costs 34 cents. How many euros does 7 kg of three times more expensive Jonagold apples cost? - The plan
Students have collected 48 kg of paper, which is 16% of the plan. How many kilograms of paper still have to collect to fulfill the plan? - Bakery and flour
The baker filled the bakery tray with flour to 3/4 volume. After removing 875 kg of flour, he filled it to only 2/5 of the volume. How many tons of flour is in the full tray? - Grower
Grower harvested 160 kg of apples. Pears harvested ten times less. a) How many kilograms of pears were harvested? b) How many apples and pears were harvested? c) How many kg harvested pears less than apples?
- Children in the classroom
How many children are in the classroom where Ladislav is 10th lightest and 16th heaviest in class? - 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 farmer
The farmer harvested 840 tons of grain in 2006, 44% less than in 2005 and one-fifth more than in 2004. How many tons of grain were harvested in the years 2005 and 2004? - The horses
A couple of horses consume 88 kg of oats for 14 days. How many oats were consumed by seven horses at the same consumption for six days? - Wood
Wood contains 12% water. One m³ of wood weighs 650 kg. How many liters of water does it contain? - Uranium ore
Uranium ore contains 0.2% pure uranium, and pure uranium includes 0.07% fissile uranium. How many grams of fissile uranium has 2800 ton of uranium ore? - Cargo
The weight of the cargo car is 761 kg. The car's weight is 23% of the total weight of the car+cargo. What is the weight of the cargo load? - Potatoes 1537
Potatoes contain 65% starch. How many potatoes do we need to get 13 kg of starch?
- Weight of air
What is the weight of air in the living room measuring width 8 m, length 5 m, and height 3.1 m? Air density is ρ = 1.2959 kg/m³. - Bob and Bobek
Bobek has two cabbages and five carrots. Bob has two cabbages and nine carrots. When Bobek stepped on the scale weight 5800 g, and Bob weighed 8960 g. Actual Bob weight is 8 kg and Bobek 5 kg. How much weighs one carrot? - Cuprum
From the 1600 mm long sheet of copper plate 2 mm thickness, we have separated over the whole length of the belt weighing 6000 g. Calculate belt width if one dm³ copper weighs 8.9 kg. - Purchase
The mother bought five boxes of milk and 7 kg of potatoes and paid a total of CZK 147. The aunt bought seven boxes of milk and 3 kg of potatoes and paid 131 CZK. What is the price of one carton of milk and 1 kg of potatoes? How would CZK together have bee - Iron sphere
Iron sphere weights 100 kg and density ρ = 7600 kg/m³. Calculate the volume, surface, and diameter of the sphere.
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