Maths practice for 12-year-olds - page 77 of 362
Number of problems found: 7228
- Equation: 78654
Find x in the ratio equation: 2:1 4/5=x:3/5 - Pencils
You have 36 pencil crayons. How many pencil crayons make 1/2 of the total? - Mrs. Jones
Mrs. Jones bakes pies. She always cuts each pie into eight slices. There are 13 slices left on the counter. Write the number of pies on the counter as a mixed number. - Clothing
Peter went to the store with $100.00. He bought two belts for $14.00 each, three shirts for $15.00 each, and a pair of jeans for $25. How much money did he have left? Help: We say "a pair of jeans" to talk about one piece of clothing. For more than one, w - Ulysses
Ulysses bought 6 1/2 kg of beef, 3 3/4 kg of pork, and 5 1/2 kg of chicken. If 1 kg of beef costs 400 pesos, 1 kg of pork costs 300 pesos, and 1 kg of chicken costs 170 pesos. How much change is left if he gives 5,000 pesos for his purchase? - Calculate 78514
The block has a length of 12 cm and a width of 0.6 dm. The height is the same size as the edge of a cube whose volume is 64cm³. Calculate the volume of the cuboid in cm³. - Thabo
Thabo uses 3 ½ liters of petrol per week for his motorcycle. How long will he be driving with 49 liters?
- Suzi starts
Suzi starts her hike at 225 feet below sea level. When she reaches the end of the hike, she is still below sea level at −105 feet. What was the change in elevation from the beginning of Suzi's hike to the end? - Energy drink
You have 1/5 of an energy drink left. If you drink 1/5 of that, how much of your energy drink did you have left? - Recycling center
Pavani collects 20.3 pounds of metal to take to a recycling center. The recycling center pays her for 18.4 pounds of the metal and refuses the rest of it. How much of Pavani's collection was refused in pounds? Enter your answer as a decimal, if necessary, - Marksman 78334
The igniter cord used in normal quarry blasting burns at a rate of 8 mm/s, the length usually used is 60 cm. At what minimum speed must the marksman move to a shelter 150 m away? - A book 3
A book that is printed on both sides has 36 pages. If the book is 3/8 cm thick, determine the thickness of one page in cm. - Fabric 78284 How many m³ of fabric do we need to buy to make 20 cubes with an edge of 4.5 dm?
- Competitor 78234
The first competitor completed the track in 2h12min11s. How much worse was the other's time of 2h19min3s? - Your chocolate
Your chocolate chip cookie recipe makes three dozen cookies, but you need four dozen cookies. If the recipe requires 1 7/8 cups of vegetable oil, 2 1/2 teaspoons of almond extract, and 3 1/2 cups of oatmeal, how many ingredients are necessary for four doz
- A parking
A parking garage has five levels below ground. Each level is the same height. Consider ground level to be 0. The depth of the fifth level of the parking garage is -118.5 ft. What is the depth of the first level of the parking garage? - Franco, Elliot
Franco and Elliot are on their school's swim team. Last week, Franco swam 5 7/10 miles. Elliot swam 1 1/3 times as far as Franco. How far did Elliot swim? - Swimming 78124 A 16 m square swimming pool has an area of 1 m² on the city plan. What is the scale of the city plan?
- The mother The mother bought 3 3/4 kg of beef, 2 1/4 of pork, and 5 1/4 of chicken. How many kilograms of meat did she buy?
- Fenced 78064
I bought 51m of wire, fenced off a square garden, and had 3m of wire left. What is the size of the garden?
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