Equations practice problems - page 177 of 239
Number of problems found: 4769
- Difference 4307
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 4302
How much does whole chocolate cost when 2/3 costs 24 cents? - Equation 4300
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 4293
Solve the equation and perform the test: 2 (4x + 3) - 2 = 6 - 5 (1 - x) - Variation equation
Solve combinatorics equation: V(2, x+8)=72 V(2,x+8) is variations, second class, from x+8 items. - Student's 4287
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? - Wednesday 4286
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 - Circumference 4285
Calculate the circumference 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. - Solution 4284
How many grams of table salt and water do we weigh to prepare 500 g of a 15% solution? - Unknown 4281
19% of the unknown number is 12, less than 23% of the same number. Specify an unknown number. - Hello adding
Fill letters instead of digits so the indicated sum (equal letters represent equal digits). What number is hidden under the letter J? A A H A H O A H O J -------------------------- 4 3 2 1 - Equation: 4274
Solve the equation: V (2, x + 2) = 90 - Together 4273
Jan is five years older than Pavel. Jan's age is 7/6 Dusan's age. All the brothers are 195 years old together. How old is Jan? - Rectangle diagonals
It is given a rectangle with an area of 24 cm² and a circumference of 20 cm. The length of one side is 2 cm larger than the length of the second side. Calculate the length of the diagonal. Length and width are yet expressed in natural numbers. - Star equation
Write digits instead of stars so that the sum of the written digits is odd and is true equality: 42 · ∗8 = 2 ∗∗∗ - Remaining 4262
Owl Wesley read the book for three days. On the first day, she read one-fifth of the pages. On the second day, she read half of the remaining and the last 30 pages on the third day. How many pages did the whole book have? - Government 4253
The government had saved a few cents. They added another 60 cents. He missed 90 cents in the school cafeteria. He has 284 cents left in the treasury. How many cents did Vlado save?
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