Equations practice problems - page 123 of 242
Number of problems found: 4829
- Thought number puzzle
When I add half of the thought number to 3/5 of the thought number, I get the sum of 22. Which number do I think? - Shopping center
The shopping center buys bikes from the manufacturer for 180 €. It sells them for a sale price of 250 €. However, in the advertising for the sale of these goods, the shopping center spent 20% of the selling price of all bicycles in stock. How many bikes d - Expression equality puzzle
For what values of x is the value of the expression 5x + 11 equal to that of the expression 7x + 31? - Expression value puzzle
Find for which x the value of the expression 13x - 7 is eight less than the value of the expression. 12x + 11. - Natural number sum
The sum of three natural numbers is 204. Each of them is five greater than the previous one. What are the numbers? - Column height puzzle
The height of the column is 75 cm and still half its height. How tall is the pillar? - Potatoes
For three days, the store sold 1400 kg of potatoes. On the first day, they sold 100 kilograms of potatoes less than on the second day. On the third day, three-fifths of what they sold the first day. How many kgs of potatoes are sold every day? - Dentist
Class 5. I participated in a preventive dental examination. A quarter of the pupils found two dental caries, and an eighth found one caries. Half the class had all their teeth healthy. How many students attend class 5? If four students were missing on the - Rectangle side measurement
One side of the rectangle is 8 cm long. When we enlarge the dimensions of this rectangle four times, we get a rectangle with a circumference of exactly 1m. How many mm does the other side of the unmagnified rectangle measure? - Rectangular garden
Divide a square garden with a perimeter of 124 m into two rectangular gardens, with the fence of one garden 10 m longer than the fence of the other. What dimensions will these rectangular gardens be? - Rectangle square division
The perimeter of the rectangle, which can be divided into three squares, is 168 cm. Determine the lengths of its sides. - Hotel Room Distribution Options
The hotel has 27 beds in several rooms. There are single, double and triple rooms. How many single, double and triple rooms can there be in the hotel? Give at least three options. - Number sum division The sum of the numbers is 878. If we divide the larger number by the smaller one, we get a ratio of 6 with the remainder of 17. What are the numbers?
- Sand castle
Tim and Tom built a sand castle and embellished it with a flag. Half the pole with the flag plunged into the castle. The highest point of the pole was 80 cm above the ground, and its lowest point was 20 cm above the ground. How high was the sand castle? - Finding Unknown Number By reducing the unknown number by 342, you get 81% of the unknown number. Find this number.
- Prize Sharing Ratio Total
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? - Cuboid Dimensions Sum Edges
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. - 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?
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