Percentages + expression of a variable from the formula - practice problems - page 10 of 11
Number of problems found: 218
- Specify 3808
Specify a number that is 61% less than 10². - Determine 3800
Dano and Juraj have a total of 120 euros. Juraj has 40% less money than Daniel. Determine how much money Daniel and Juraj have. - Cargo
The car with cargo weighs 7610 kg. The car's weight is 23% of the car's total weight and cargo. How heavy is the cargo? - Determine 3789
Determine x if 52% of x equals 9.1 * 6.
- Reduction 3757
The goods became cheaper twice a row, first by 18% and then by 16% of the new amount. After this double reduction, it cost precisely 516 euros and 60 cents. Determine the flood amount of the goods. - Reduction 3745
The laptop faced a discount of x euros. After a 15% reduction, it cost 595 euros. How many euros cost the laptop before? - Sale off
The product cost 95 euros before the sale. After-sale off cost 74 euros and 10 cents. About what percentage of products became cheaper? - Bookshelve
Bookshelves with an original price of € 200 twice become cheaper. After the second discount of 15%, the price was € 149.60. Determine how much % becomes cheaper for the first time. - Interst on savings
The bank offers 1.6% interest. How many euros do we have to insert at the beginning if we receive € 15 on the interest?
- The deposit
A deposit has been placed for one year at an annual rate of 4.5%. The amount rose to € 2,612.5 after one year. Find initial deposit. - Vintner
How high can a vintner fill keg with crushed red grapes if these grapes occupy a volume of 20 percent? The keg is cylindrical with a diameter of the base of 1 m and a volume of 9.42 hl. Start from the premise that says that fermentation will fill the keg - Turnover 3546
They had the same sales plan in Mr. Nový's two stores. In the first store, they exceeded the plan by 23% and in the second by 25%. They had a total turnover of € 66,000. What revenue did each store have? - The tent
The tent shape of a regular quadrilateral pyramid has a base edge length a = 2 m and a height v = 1.8 m. How many m² of cloth did we need to make the tent if we have to add 7% of the seams? How many m³ of air will be in the tent? - Wednesday 3391
On Monday, three pupils were missing from the class, 12% of the total number of pupils. How many pupils were missing on Wednesday if 84% of all pupils were in school?
- Price increase
A 20 percent price increase meant a 90-crown raise. How much cost a product after? - Three-stage 3272
In the three-stage races with a total length of 550 km, cyclists drove 38% in the first and 27 percent in the second stages. How many km will they cover in the third stage? - Securities 3226
After one year, we sold securities issued at an interest rate of 7% for CZK 8,560. What was their original value? - Employees 3212
Employees exceeded the quarterly plan by 13.2%. In the first month, they exceeded the goal by 320 t, in the second by 310 t, and in the third by 300 t. Calculate the quarterly plan. - Horizontal 3166
The road leading from place A to B has a gradient of 9%. Determine the horizontal distance of these two places, assuming that the difference in their altitudes is 27.9 m.
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