Percentages practice problems - page 108 of 110
Number of problems found: 2190
- Iron
Iron ore contains 54% iron. How much iron ore is needed to produce 23 tons of iron? - Descent of road
The road sign informs us the gradient is 10.9%. Calculate the angle at which the average decreases. - Isosceles right triangle
Calculate the area of an isosceles right triangle whose perimeter is 810 cm. - Barrel of oil
The barrel of oil weighs 283 kg. When it molded 26% oil, it weighed 216 kg. What is the mass of the empty barrel?
- Extreme temperatures
The USA hit an extreme heat wave. Calculate the percentage of the air temperature change from normal summer temperature 23 °C to 40 °C. - Bulbs
The probability that the bulb can operate 4000 hours is 0.3. What is the probability that exactly one of the eight bulbs can operate 4000 hours? - Magnification of the square
If we increase the square side, increase the area of the 57 %. About what percentage was increased on its side? - Promile
Calculate the 17.6 ‰ of 353. - Slovakia banks
It is an unwritten rule that the larger bank in Slovakia (number of clients, balance sheet) has the worst / more expensive services offered to clients. Perhaps customs and herd customers prefer only the trio SLSP, VUB, and Tatrabanka. Calculate how many t
- Tesco Clubcard
František got quarterly billing vouchers for Tesco ClubCard, taking goods worth 6.5 Eur. Calculate the average monthly amount Tesco stores bought goods. Tesco ClubCard works for every Euro spent; you get one ClubCard point, which Tesco will convert to one - Human buying irrationality
I longer watch processors for Socket A on the secondhand market, Athlon XP 1.86GHz with a PR rating of 2500+ costs $7, and Athlon XP 2.16Ghz with a PR rating of 3000+ currently costs $16. Calculate: About what percentage of the Athlon XP 2.16Ghz is more p - Glass mosaic
How many dm² glasses are necessary to produce 97 slides of a regular 6-gon, whose side has a length of 21 cm? Assume that cutting glass waste is 10%. - Railways - golden parachutes
This is an example more from political science, or even a fairy tale about carp who won't drain their pond. Let's look at the short work of the director of the Carp Railway Company: 18 months of quasi "work" as director reduction and elimination - Barrel with liquid
Barrel with grain weight 297 kg. When it sheds 48% of grain, ha weight 174 kg, what is the weight of an empty barrel?
- Window
Peter demolished a box hole in the wall for the window frame 147×51 cm. When they come, they will find a master-fitted frame and window that glass is 13.3 cm from the hole in each direction. Calculate how much percent less light enters the window th - VAT
VAT is a tax on which the state artificially betrays goods and services for final consumption. VAT in Slovakia is 20%. Calculate how much percent pay fewer tax residents of Japonska when VAT is only 5%. - Discounts on rail (ZSSK)
The railway company ZSSK offers a discount of 15% (REGIONAL) for 5 Eur/year. Calculate the real discount rate as a percentage, where passengers will travel 19 Eur per week. - Solidarity
Imagine a word solidarity means that salt donation to the needy, who have neither the salt. If we take the word solidarity, it is a word based on salt + gift (only in the Slovakian language). Calculate how many kilos of salt a sympathetic citizen "gives" - Sphere fall
How much percent fall volume of a sphere if the diameter decreases 3×?
The price of the cookie rise in the first year by 2%, the second year fell by 6%, and in the third year increased by 17%. Calculate the average annual increase in the price of the cookie.Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
