Equations practice problems - page 186 of 250
Number of problems found: 4996
- Two numbers
I think two numbers. Their sum is 36, and their difference is 14. What are the numbers? - Pencils and sharpeners
Paul bought three pencils and a sharpener in a stationery store and paid 29 CZK. Jane ordered two pencils and two sharpeners, and her purchase price was CZK 46. How much cheaper is a pencil than a sharpener? - Two friends
Two friends met as a good man perished together for a beer. After recovering the most important topics (politics, women, football ...), one asks: - And how many children do you have? - I have three children. - And how many years have you? A friend already - One percent
One percent of all the lights in the city are LED, and the remaining 99% are conventional. Other types are not there. John counted them honestly, but he had counted only conventional. After a good dinner, he registered numbers, and he gave notice that fro - Cakes Z8-I-5
Mom brought ten cakes of three types: coconut was less than Meringue Cookies, and most were caramel cubes. John chose two different kinds of cakes. Stephan did the same, and Margerith left only the same type of cake. How many coconuts, Meringue Cookies an - Ice cream flavors
Half of the class likes vanilla ice cream, half of the rest like strawberry, and the other six like hazelnut. How many children were there in the class? - Number puzzle
I mean the number. If I reduce it by 0.5, then add 1/3, reduce the sum by 2/5, and increase the difference by 1/6, I get 0.3. - Rectangle pool
Find the dimensions of an open pool with a square bottom and a capacity of 32 m³ that can have painted/bricked walls with the least amount of material. - Chocolate cost
How much does whole chocolate cost when 2/3 costs 24 cents? - Equation solving
Solve the equation and perform the test: 1- (x-x/7-1/7) = 7-9x/2 +5/2 - Vineyard
While visiting a winery, the family bought a total of 32 liters of wine in bottles of 0.7 liters and 1 liter. The ratio of the number of larger bottles to smaller bottles is 9:10. The price of a smaller bottle of wine was 120 CZK and a larger bottle was 1 - Cuboid - ratios
The sizes of the edges of the cuboid are in the ratio of 2:3:5. The smallest wall has an area of 54 cm². Calculate the surface area and volume of this cuboid. - Equation solving Solve the equation and perform the test: 2 (4x + 3) - 2 = 6 - 5 (1 - x)
- Container weight
The weight of the water container is 2.48 kg. If we pour 75% of the water, the container with water weighs 0.98 kg. Find the weight of the empty container. How much water was originally in the container? - Variation equation
Solve combinatorics equation: V(2, x+8)=72 V(2,x+8) is variations, second class, from x+8 items. - Student scores
Dorka had a total of 22 marks in her student book. She had three times less than three ones. She had only two doubles. How many units did Dorka have in the student's book, and how many threes? - Flu epidemic
During the flu epidemic, 10% of the school's students fell ill on Monday, another 39 on Tuesday, and one-eighth of all the school's students joined them on Wednesday. During these three days, one-third of all school pupils fell ill. How many students does - Rhombus perimeter
Calculate the perimeter of a rhombus, one side of which is 6 cm long, and the height of this side is 2 cm long. The height on the other side is 4 cm long. - Salt solution
How many grams of table salt and water do we weigh to prepare 500 g of a 15% solution? - Unknown number
19% of the unknown number is 12, less than 23% of the same number. Specify an unknown number.
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