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:

85%	of	84	=
72%	of	47	=
41%	of	80	=
44%	of	41	=
97%	of	65	=
7%	of	59	=
13%	of	48	=
72%	of	40	=
52%	of	21	=
79%	of	50	=

Percentage in word math problems

• Cone and cube
  About what percentage has cone with base radius r larger volume than a same high cube with square base with edge length r?
• Sea water
  Seawater contains about 6.5% salt. How many dm³ of distilled water must we pour into 21 dm³ of seawater to get water with 1.2% salt?
• Suit
  The suit cost 124 euros. How much cost the pants if it is 30% cheaper than the jacket?
• Simple interest 3
  Find the simple interest if 11928 USD at 2% for 10 weeks.
• Barrel
  The barrel is filled with water up to 57% of its capacity. When we add two buckets will be filled to 73% of their capacity. What is the volume of a barrel if the volume of the bucket is 12 liters?
• Profits
  Two members will make a profit of 52,000 EUR. The first earned 8% more and the second 10% more and thus earned 56,700 EUR together. How much will each initially earn?
• Apartments
  The apartment on the first floor was 10% more expensive than the same apartment on the second floor. The difference was 105 Kc annually. Calculate the apartment's annual rent on the first floor and from the apartment on the second floor.
• Sugar
  The sugar factory produced 180.6 tons of sugar in 1 day at 14% sugar content. How many tons of pure beet sugar factory processed in 1 day?
• Population
  What is the city's population with 3% annual growth if, in 10 years, the city will have 60,000 residents?
• December salary
  The official had a monthly salary of 8,500 euros. During the year, they increased his salary by 15%, so he received a total of 112,200 euros for a year. From which month did they raise his salary? (1 = January .... 12 = December)
• Numbers 2832
  The sum of two numbers equals 840. The first number makes up 40% of the second number. Specify both numbers.
• Big number
  Dagmar typed numbers on the computer (without spaces) 45678910111213141516... Which number did she write in the third place? The digits of this large natural number are assigned natural numbers from four 4-5-6-7-8-9-10-11-12-13-14-15 etc. - without dashes
• Reinforced 3120
  The sweater was reinforced from 850kc to 340kc. How many percents were merged?
• Required 3504
  The milling machine makes the part in 20 minutes. On a better machine, it can make 30 parts in 6 hours. By how much percent will the time required to produce one part on a new machine be reduced?
• Percents - easy
  How many percent is 432 out of 434?

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