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:

94	+	50%	-	40%	-	55%	=
76	-	50%	+	30%	-	60%	=
70	+	30%	-	80%	+	75%	=
20	-	50%	+	30%	+	85%	=
96	-	50%	+	70%	+	55%	=
46	-	50%	-	70%	+	35%	=
80	-	10%	+	60%	+	10%	=
50	+	60%	+	60%	-	30%	=
84	-	50%	-	80%	-	85%	=
56	+	50%	-	20%	+	30%	=

Percentage in word math problems

• Originally 7182
  Together, Peter and Jano had 52,000 stamps in their collection. To compete with their friend, they must have 56700 marks. They agreed that Peter would increase his collection by 8 percent and Janko would give 10 percent more than he has. How many marks di
• Dice
  How many times must you throw the dice, and the probability of throwing at least one päťky was greater than 50%?
• Election mathematics
  In elections, 12 political parties received this shares of voters: party A 56.2 %party B 8.5 %party C 8.2 %party D 6.2 %party E 6.1 %party F 5.5 %party G 3.2 %party H 2.1 %party I 2 %party J 1 %party K 1 % Calculate what the shares acquired in the parliam
• Rectangles
  How many rectangles with area 3152 cm² whose sides are natural numbers?

• Sea water
  Seawater contains about 5% salt. How many dm³ of distilled water must we pour into 39 dm³ of seawater to get water with 1.6% salt?
• Discount
  The ladies' sweater was twice discounted. First by 8%, then by 8% of the new price. Its final price was 66 €. Determine the original price of the sweater.
• 100 %
  How much is 100% if 82 % is 77?
• Suit
  The suit cost 119 euros. How much cost the pants if it is 50% cheaper than the jacket?
• Ace
  We pulled out one card from complete sets of playing cards (32 cards). What is the probability of pulling the ace?

• Double percent
  What is 40% of 80% of 11800?
• Hot air balloon
  A hot air balloon ascends 25 meters up for a minute after launch. Every minute ascends 75 percent of the height, which climbed in the previous minute. a) how many meters ascend six minutes after takeoff? b) what is the overall height 10 minutes after laun
• Manager gold
  I paid 40% of my salary for gold dental floss, that is, twice as much as for fine catering. Hawaiian shirts cost me 1/6 and 10 percent of my salary went to jet fuel. I still have 400 euros left for coffee. How much did I earn as a manager?
• Profits
  Two members will make a profit of 52 000 EUR. The first earned 8% more and the second 10% more and thus earned together 56 700 EUR. How many will each initially earn?
• Sugar
  The sugar factory produced 309.2 tons of sugar in 1 day at 14% sugar content. How many tons of pure beet sugar factory processed in 1 day?

• Increased 5778
  The price of yogurt increased by 20%, and the number of yogurts sold fell by 10%. How have yogurt sales changed?

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