Mass - math word problems - page 58 of 77

Number of problems found: 1535

Density 2
The driftwood has a mass of 25 grams and a volume of 30 cm to 3rd power. What is the density of a piece of driftwood? And how do I figure it out?
Product Cost Weight Distribution
If you know that the company produces four similar products that differ only in the weight of the packaging, determine the final price of the product in terms of costs. The total cost of manufacturing the product was CZK 5,745,000. And 10 kg 15,000 pcs B
Kinetic Energy Braking Force
Janko is skating at a speed of 18 km/h. Its kinetic energy is 0.5 kJ. Janko weighs 40 kg. Calculate: 1. what work will the braking forces do before Janko stops? 2. How big is the braking force when Janko stops after crossing a track of 14 m.?
Grain harvest
The farmer harvested 300 tons of grain, of which 18 tons were barley, wheat was 250% more than oats, and rye was 40% more than wheat. How many tons of individual grains did he harvest?
Wheat Barley Caliber Harvest Tons
They harvested 390 tons. Wheat is 18% more than barley and 126 tons less caliber than wheat and barley combined. How many tons of barley, wheat, and caliber were there?
Shipment weight
If you know that a quarter of a mail order and 300 grams weigh the same as the whole shipment, then how many grams do two such shipments weigh?
Orange weight
Nine oranges weigh as much as six grapefruits. One grapefruit weighs 300g. How much does one orange weigh?
Metal cube
The steel cube has a length of its edge of 5 cm. It is made from steel with a density of 7800 kg/m³. What is the weight of this steel cube?
Fraction calculation
How much is 3/5 of 4/9 Kg?
Doses
A child should receive a dose of 0.5 teaspoons of cough medicine every 12 hours. If the bottle contains 60 doses, how many days will the medicine last?
Book weight
The book measures 24 cm x 15 cm and is 22 mm thick. Find the package weight of 50 of these books if the paper density is 0.9g / cm³
Paper harvest
Four boys passed the paper to harvest. John received 111 1/3 ducats, Michal 228 3/4, Peter 195 1/2 ducats, and Robert 146 1/4 ducats. How many kg of paper did each boy bring if they bought paper at 2.50 ducats per kg?
Yogurt calcium
100g of yogurt contains 150mg of calcium. How many kg of yogurt would we have to eat to meet the daily dose of calcium 1000mg?
Block weight
The block measuring 20 cm, 10 cm, and 8 cm weighs 80 grams. What is the weight of a block made of the same material, the edges of which are half the length?
Brick weight
Half the weight of a brick plus 20 pounds equals 1/3 the weight of the brick plus 30 pounds. How much does the brick weigh?
Girl weights
Sandra weighs the same as Markéta and 3 kg less than Justýna. All three together weigh 156kg. How many kilograms does each girl have?
Powder washes
Mrs. Janka bought washing powder that weighed 5 kg. The powder is enough for 50 washes. However, she decided to fill the measuring cup with powder only three-fifths of the volume. How many washes does the powder last for her?
Deca-kilogram
70g of yeast is needed for 30 days of flour. How many dags of yeast are required for 1.5 kg of flour? (note: the decagram has the mark dag and not dkg - it would be a deca-kilogram)
Dividing Goods to Stores
They delivered goods to four stores. First, they collected one-third of the shipment, second only two-thirds of what happened in the first. In the third, one-quarter of the rest, and the fourth, the remaining 240 kg. How much did they make at each store?
Iron collecting
Class 7A collected 3.2 tonnes of iron, more than class 7B. Together they collected 6.4 tonnes of iron for the secondary raw material collection. How much did each class collect?

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