Mass - practice for 14 year olds - page 4 of 22
Number of problems found: 437
- Kilograms 78244
Fresh herbs contain 90% water, dried 10% water. How many kilograms of herbs can we dry from 15 kg of fresh ones? - A solution
A solution of salt and water has 15% salt by weight. From it, 30 kg evaporated, and the solution now contains 20% salt. Find the original quantity of the solution. - Din has
Din has 15 3/4 kg of nuts. Suppose you sell the nuts for P40.00 for every 1/4 kg. How much is the total cost of the nuts? - Sari-sari store
Ms. Rona bought 25 kg of sugar for her sari-sari store. She then repacked the sugar into ¼ and ½ kg. If Alica packed 30 pcs of ½ kilograms of sugar, how many ¼ kg of sugar did she pack? - Percentage 74844
The bar contains 12 grams of sugar per 50 grams. What percentage of sugar does the bar have? - Unit rate 2
Which is a lower price per pound? Four pounds for $1.40 or three pounds for $1.207. show each as a unit rate. - What power 2
What power has a pump output to move 4853 hl of water to a height of 31 m for 8 hours? Comparing the power generated by the pump vs. the power generated by the motor, which is more efficient? Which pump or motor generates more pollution if, for every watt - Surroundings 74114
In a cylinder with a piston, there is nitrogen N2 with a volume of 5 liters, a temperature of 25 degrees Celsius, and a pressure of 200 kPa. We very slowly compress the gas in the cylinder to half its volume while its temperature does not change. Determin - Rocks 2
A garden center has one type of rock that sells for $6.50 per cubic yard and another type of rock that sells for $12.80 per cubic yard. They want to make 25.2 cubic yards of a mixture of rock that sells for $12.40/cubic yard. How much of each rock will th - The truck
What is the mass of a ten-wheeler truck if it has reached a momentum of 567 kg.m/s while it moves at 40m/s? - Which 10
Which will have greater momentum between a ten-wheeler truck weighing 7,000 kg and a bus that weighs 5,000kg if the bus is moving at 15 m/s while the truck is moving at 10 m/s? - A coffee
A coffee shop owner blends a gourmet brand of coffee with a cheaper brand. Gourmet coffee usually sells for R420,00 per kilogram, while the cheaper brand sells for R180,00 per kilogram. How much of each type should be mixed to have 30 kilograms of coffee - Coffee 6
Coffee worth $1.05 per pound is mixed with coffee worth 85 cents per pound to obtain 20 pounds of a mixture worth 90 cents per pound. How many pounds of each type is used? - Circular 72244
How many kg of grass seed must be bought to start a lawn in the shape of a circular section with a radius of r= 15 m and a central angle of 45 degrees if 1 g of grass seed is used per 1 dm of the square area? - Establish 72234
How many kg of grass seed should be bought to establish a lawn around a circular fountain with a diameter of 5 m if the lawn is to be 1.5 m wide and 1 g of grass seed is used per 1 dm of the square area? - Kilograms 71754
In the fruit warehouse, they have white grapes for CZK 70 per kilogram and blue grapes for CZK 90 per kilogram. For the retail chain, 600 kg of a mixture of both types must be prepared so that one kilogram of the mixture costs CZK 85. How many kilograms o - Calculate 71684
Calculate the mass of water that gave off 520.5 kJ of heat when cooled from 69 °C to 27 °C. - Two alloys
Two alloys, Y and Z, are each made up of zinc, tin, and copper. In alloy Y, the ratio of zinc to tin is 2:5, and the ratio of copper to tin is 4:3. Find the ratio of copper:zinc:tin in alloy Y. - Submerged 71144
The cork body floats first in water and then in glycerol. The submerged volume of the cork body in water is 0.0006 m3, and in glycerol, it is 0.0005 m³. The density of water is 1000 kg/m3, and the density of glycerol is 1200 kg/m³. C - Bracelet 70684
A gold ring with a width of 1 cm is made by drilling a sphere with a radius of 1 cm through its center. A gold bracelet with a width of 1 cm is made by drilling a sphere with a radius of 4 cm through its center. Which piece of jewelry will be worth more i
Do you have homework that you need help solving? Ask a question, and we will try to solve it.