Mass - math word problems - page 43 of 77

Number of problems found: 1534

Copper Cu wire
Copper wire with a diameter of 1 mm and a weight of 350 g is wound on a spool. Calculate its length if the copper density is p = 8.9 g/cm cubic.
Kilogram 24921
Dahlia cooks with her mother's 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.
Water percent
A 15 g sample of the substance contains 70% water. After drying, the substance reduced its weight to 9 g. What percentage of water is now in the sample?
The water tank
The water tank has the shape of a sphere with a radius of 2 m. How many liters of water will fit in the tank? How many kilograms of paint do we need to paint the tank if we paint with 1 kg of paint 10 m²?
Fruit imports
Carriers imported 18,324 kg of oranges from Spain, 16,857 kg less than mandarins and 2,645 kilograms more than bananas. a) how many kg did they bring mandarins? b) how many kg did bananas bring? c) how much total fruit?
The silver
The silver ring weighs 10 grams. The ring contains 850 per mille of pure silver. Calculate the amount of pure silver in grams.
AL wire
What is the weight of an aluminum wire 250 m long with a diameter of 2 mm, if the density of aluminum is p = 2700 kg/m cubic? Please round to the nearest gram.
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?
Lead ball
What is the weight of a lead ball with a diameter of 3 cm if the density of lead is 11340 kg/m cubic?
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?
Kilograms 23581
How many kilograms is 24% of 30 tons?
The half life
The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be reduced to half its initial mass. Starting with 145 grams of a radioactive isotope, how much will be left after three half-lives?
The cube
The cube and cylinder weigh the same as three 20-gram weights. Three cubes and one cylinder weigh the same as two cylinders and one cube. How many grams does one cube weigh (and one cylinder)?
Transported 23301
The material, which weighed 18.2 tons, was transported by three cars. The second drove 20% more than the first, and the third 20% more than the second. How many tons did one car transport?
Calculated 23231
There are 80 screws in the box with a total weight of 1.24 kg. The weight of one screw weighs 400g. Screw weight calculated in grams
Cube-shaped 23041
A pint of sugar weighs 800 g. How many tons of sugar will fit in a 100cm cube-shaped box?
Brownies
Mrs. Merritt made brownies, and the recipe had to be cut in 1/2. The recipe called for 2 5/8 cups of sugar. How much sugar did she use?
Bottles
The weight of 17 bottles is 91.7 kg. What is the weight of 1 bottle?
Planet Earth
What is the weight of the planet Earth if its average density is ρ = 2.5 g/cm³?

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