Equations practice problems - page 80 of 240
Number of problems found: 4793
- The inheritance
Dad initially decided to bequeath the money to his two sons so that they would share it 8:7 (older and younger). Then, he changed his mind and divided the same amount into a ratio of 11:9 (older and younger). This step increased the inheritance value for - Second hand store
The price of goods in the store for used goods is determined by agreement, while the sale price is deducted 15% commission - for the store owner. Mathias's parents decided to sell the TV to make their net profit at least 50 euros. What was the minimum sel - Heads and legs
There are chickens and rabbits in the yard. Together, they have 108 legs and 33 heads. How many chickens are there? How many rabbits are there? - Circumference 43531
A triangle with a circumference of 69 cm has one side three times shorter than the longest of them and the other 3 cm shorter than the longest of them. Find the area of the triangle. - A rectangle 4
A rectangle has an area of 300 and a perimeter of 80. What is the ratio of length and width? - Equations: 43501
Solve two equations: 7 * (x + 1) - (3x + 1) = 21/2 a / 3-a + 6/12 = 2a-4 - Crowns 43441 Petr, Jitka, and Karel have a total of 200 crowns. Petr has five crowns more than Karel. Jitka has 2x more than Karel. How many crowns does Karel have?
- Previous 43371
The sum of three natural numbers, five greater than the previous one, is 204. What are the numbers? - Who I
Who am I? My third is two less than my half. - The aluminum
We placed the aluminum object with a weight of 0.80 kg and a temperature of 250°C in the water with a weight of 1.6 kg and a temperature of 23°C. What is the system temperature after reaching equilibrium? We assume that the heat exchange occurred only bet - An average a day
Forest workers planted 96 trees on Monday, 120 on Tuesday, and 61 on Wednesday. How many trees did she plant on the last day of Thursday if she planted an average of 105 trees a day? - The vase
There were roses in the vase. Half were red, a quarter was white, and 12 were yellow. How many roses were in the vase? - MO Z7–I–6 2021
In triangle ABC, point D lies on the AC side and point E on the BC side. The sizes of the angles ABD, BAE, CAE, and CBD are 30°, 60°, 20°, and 30°, respectively. Find the size of the AED angle. - Second 43001
On the first day, Lenka read half of the book. On the second day, half of the rest, and on the third day, she read 35 pages and read the book. How many pages did the book have? - Long hot dog
In Kostelec above Black Forest, they made a record-long hot dog. When he slowly moved it to the square, one of the spectators decided to measure its length: the size of his footprint was 28 cm; he measured 20 feet in the travel direction and counted 5 fee - The number 4 Two-thirds of a number is negative six. Find the number.
- Harry
Harry Thomson bought a large land in the shape of a rectangle with a circumference of 90 meters. He divided it into three rectangular plots. The shorter side has all three plots of equal length. Their longer sides are three consecutive natural numbers. Fi - Dimensions 42501
Find at least six different dimensions (in meters) of a rectangle with a capacity of 20 m2 - Proportion 42381
If you divide the unknown number x by the number (-4) and divide the resulting proportion by the number (-3), you get -2. What is x? - Missing digit
If 4x/6x + 5/17 = 1, what digit does the x represents
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