Equations practice problems - page 122 of 236
Number of problems found: 4717
- Reducing 8114
By reducing the unknown number by 342, you get 81% of the unknown number. Find this number. - Received 8112
Matej, Simon, and Peter shared a profit in the ratio of 3:4:5. How much did they win in total if Matej received CZK 1,520? - Dimensions 8111
The sum of the lengths of all block edges is 4m. The width is twice the length, and the height is seven times the width. Determine the dimensions of the block. Thank you luck - The treasury
Lucy has only two-crown and five-crown coins in her treasury. She has 30 coins worth 108 Czech crowns (CZK). How many two-crown and how many five-crown coins does she have? - Find parameters
Find parameters of the circle in the plane - coordinates of center and radius: x²+(y-3)²=14 - The sponsor The school received money from the sponsor. She used one-third to buy computers and half of the rest to adjust the gym. It still has 4000 euros left. How many euros did the sponsor donate to the school?
- The work
The work was to be done by 150 workers. At the beginning of their work, The company reduced their number by 40, which increased the work time by 5 and 1/3 of the schedule. How long did the work take?
- Three people
Three people start doing work at the same time. The first worked only 2 hours, and the second finished 3 hours before the end. On an individual basis, it would take the first time to do the work 10 hours, the second 12 hours, and the third 15 hours. How m - The missing angle
Find the unknown angle in the triangle. Angles are: 95, 2x+15, x+3. What type of triangle is it? - Predetermined 8094
Lumberjacks cut down a predetermined number of trees over the course of three days. On the first day, they cut down a quarter of the trees; on the second day, they cut down 6 more trees than on the first day; on the third day, they cut down 6 more trees t - Hares and pheasants
After the hunt, hares and pheasants lie in the field. There are a total of 80 heads and 190 feet. How many hares and how many pheasants? (please, without equations) - Children 8088
There are men, women, and children in society. There are 3 times more men than women and 5 more children than women. If 6 more men and 6 women came, men would be half the company. How many women, men, and children are there? - Together 8086
The first tiler would cover the inside of the pool in 5 working days, and the second would need seven working days for the same work. In how many days would they line the inside of the pool together? - Calculated 8085
Roza calculated that if she read ten pages a day, she would read the whole book in 18 days. After a week, however, she decided to read one more page a day. How many days will he read the entire book? - Expenditure 8083 One paid 500 CZK. Three paid in a ratio of 3:4:5. The smallest expenditure was CZK 360. How much was the total expenditure?
- Incorrectly 8075
Katka solved an example from mathematics. She could calculate 50% of the examples, guess the remaining questions, and guess one-fifth of them. She had 12 answers incorrectly. How many tasks did the test contain? - Prospering students There are 30 girls and 30 boys in the class. Boys are prospering 28, girls all. If all the prospering students are 95%, how many girls are in the class and how many boys are there?
- Purchase 8073
The company paid a 20% tax on the purchase of the machine in the amount of 240 €. What is the price of the machine without tax? - The King
The King wants to divide his sons equally. He has 42 rubies and 45 diamonds. How many sons and how will they share them? - Four workers
Four workers lay on the gym floor for six hours. After an hour of working together, one of the workers went to the doctor. How long will it take for the remaining three workers to complete their work?
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