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 orexamples1, examples2, examples3, examples4, examples5.
Calculate:
Percentage in word math problems
- Three-month 60231
How much € do we have to save on a three-month term deposit with an interest rate of 2.5% pa? If we want the deposit to earn an interest of € 1,100 - Demographics
The population grew in the city in 10 years from 30000 to 34000. What is the average annual percentage increase in population? - Vinegar 2
If we mix 3.5 liters of 5.8 % vinegar with 5 liters of 7.6 % vinegar, how many percentages of vinegar solution will we get? - VAT lottery
Father earns 809 euro a month, mother 480 euro per month. Calculate what amount they paid as value-added tax (VAT) to the government if the VAT rate is 20%. Assume that the family will spend their entire monthly income. - Dices
We will throw two dice. What is the probability that the ratio between numbers on the first and second dice will be 1:2? - Deposit
If you deposit 881 euros at the beginning of each year, how much money do we have at 1.6% (compound) interest after 8 years? - Accidents
The count of accidents in 1991 caused 8444 women, which is 9%. How many men caused the accidents? - Green - Red
We have 4 bags. Each consists of one green and 2 red balls. From each, we pull just one ball. What is the probability that we don't pull any green ball? - UV radiation
The glass of 1 mm thickness absorbs 5.3% of UV radiation passing through. How many percent of UV rays absorb glass with a thickness of 2.3 cm, made from 1 mm thick those glasses? - Gold coin
The gold coin contains 966 permille pure gold, which is 8.7 g. What is the weight of the coin in grams? - Climb in percentage
The height difference between points A and B is 475 m. Calculate the percentage of route climbing if the horizontal distance between places A and B is 7.4 km. - Wood
Wood contains 12% water. One m³ of wood weighs 650 kg. How many liters of water does it contain? - Resort
In a completely crowded resort, 30% of the Czech Republic quarter visitors were from Slovakia, and the rest, 135, came from Germany. What capacity has the resort had? - Earth's surface
The greater part of the Earth's surface (r = 6371 km) is covered by oceans; their area is approximately 71% of the Earth's surface. What is the approximate area of the land? - Nectar
Nectar collected by bees contains 70% water. The nectar of the same process produces honey which has 19% water. How many kilograms of nectar do bees need to collect to make 1 kg of honey?
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