Percentages practice problems - page 56 of 111
Number of problems found: 2216
- One-fifth 18523
The farmer crossed the daily plan to sow wheat by one-fifth and sow in an 11.4 hectare field. Calculate his daily schedule. - Percentage 18513
The machine tool produced 516 pieces instead of the 480 parts originally planned. What percentage did it exceed the plan? - Reducing
Reducing the unknown number by 427, we get 65% of its value. What is an unknown number? - The surface area
How much percent will the surface area of a 4x5x8 cm block increase if the length of the shortest edge is increased by 2 cm? - Determine 17901
Determine the product's original price, which, after an increase of 20%, costs 90 CZK. - Consumption 17823
The roof is a regular hexagonal pyramid shell with a wall height of v = 5 m and a base edge of a = 4 m. Calculate the consumption of sheet metal to cover the roof, assuming 15% losses. - Increased 17773
Salaries increased by 4:3. How much did wages increase? - Concentration 17633
If we mix 4l and 6l of differently concentrated salt solutions, we get a 12% solution. If we use 6l of the first and 4l of the second solution, we get a 13% solution. What is the concentration of each solution? - Percentage 17613
At a horizontal distance of 800 m, the ski slope drops to 220 m above sea level. Determine the percentage decrease. - What percentage
Petra made lemonade from one liter of 100% fruit juice and three liters of water. When she tasted it, she found that it was too sweet and would not be tasty for everyone. She left two liters of it for her friends. She added two more liters of water to the - Corona virus
Calculate an estimate of the GDP (Gross Domestic Product) percentage that declined due to the quarantine related to the corona COVID-19 virus that lasted for two months. During this time, economic activity is down by 80%. - Big Earth
What percentage of the Earth's surface is seen by an astronaut from a height of h = 350 km? Take the Earth as a sphere with a radius R = 6370 km. - What percent What percent of 51 3/5 is 47 2/5?
- Tropics and polar zones
What percentage of the Earth's surface lies in the tropical, temperate, and polar zones? Tropics border individual zones at 23°27' and polar circles at 66°33'. - Czechoslovakia - area
Slovakia has an area 38% smaller than the Czech Republic. Original Czechoslovakia had an area of 128,000 square kilometers. What are the areas of both states? - Researchers
Researchers asked 200 families whether or not they were the homeowner and how many cars they had. Their response was homeowner: 14 no car or one car, two or more cars 86, not homeowner: 38 no car or one car, two or more cars 62. What percent of the famili - Coronavirus 17083
The railway company planned the repair of the railway tracks for 15 days. Only some employees showed up for work due to the coronavirus, and they extended the repair to 24 days. By what percentage did the repair time increase? - Students 16993
How many students are in the class when 54% have both parents at work? Employed parents have 20 students. - Discounts 2
The local fitness center offers membership discounts for hospital employees. According to the membership brochure, you will receive a discount of 25% on a membership that normally costs $65 per month. How much will you pay for an annual membership if you - Dimensions 16493 How many square meters of material is needed to make two identical blocks with dimensions of 6 dm, 8 dm, and 12 dm if we count 8% of the material for folds? (Round to two decimal places. )
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