Percent practice

Percentage is a way of expressing a number, especially a ratio, as a fraction of 100. See also our verbal problems in percent or
examples1, examples2, examples3, examples4, examples5.

Calculate:

The number of examples:
Range of values:
Complexity:

20%	of	40	=
80%	of	80	=
90%	of	20	=
80%	of	35	=
40%	of	80	=
20%	of	80	=
40%	of	20	=
90%	of	10	=
90%	of	90	=
70%	of	100	=

Percentage in word math problems

• Two municipalities
  The horizontal distance between municipalities is 39 km. The average sinking is 7 per mille. What is the difference in height between these municipalities?
• Temporary sale off
  With a temporary price reduction, the jacket's original fee of CZK 1,850 was reduced by 20%. Later, it was raised again by 20%. What was the jacket's final price?
• Probability - tickets
  What is the probability when you have 25 tickets in 5000 that you do not win the first (one) prize?
• Election mathematics
  In elections, 8 political parties received the following shares of votes: strana A ; 56 % strana B ; 11.9 % strana C ; 11.7 % strana D ; 8.8 % strana E ; 6.3 % strana F ; 5.1 % strana G ; 0.2 % Calculate what share each party would obtain in parliament if
• Percent calculation
  Calculate 12% if 41% is 74.
• Insurance
  The house owner is insured against natural disasters and pays 0.05% annually of the value of the house 88 Eur. Calculate the value of the house. Calculate the probability of disaster if you know that 50% of the insurance is to pay damages.
• 3y inflation
  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.
• Water container
  The container with water weighs 1.48 kg when we cast 75% of the water content of water weight 0.73 kg. How heavy is an empty container?
• Solidarity
  Calculate how many kilograms of salt a citizen effectively 'donates' to the government through taxes each year, if the combined tax burden (VAT + income tax + other levies) is 53% of a gross monthly salary of 982 euros and 1 kg of salt costs 15 cents.
• Discounts on rail (ZSSK)
  The railway company ZSSK offers a discount of 40% (SENIOR RAILPLUS) for 9.9 Eur/year. Calculate the real discount rate as a percentage, where passengers will travel 5 Eur per week.
• 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%.
• Chocolates left
  What is the equation for Mark? He had 84 boxes of candy to sell, half of which were dark chocolate and the other half white chocolate. He sold 75% of dark chocolate and 40% white. How many did you have left over?
• Promile
  Calculate the 17.6 ‰ of 353.
• Iron
  Iron ore contains 61% iron. How much iron ore is needed to produce 29 tons of iron?
• Demographics
  The population grew in the city in 10 years from 30000 to 34000. What is the average annual percentage increase in population?

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