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:

Number of examples:
Range of values:
Complexity:

75	+	60%	=
5	-	60%	=
90	+	90%	=
90	-	20%	=
80	+	90%	=
5	-	80%	=
56	+	50%	=
46	+	50%	=
6	-	50%	=
98	+	50%	=

Percentage in word math problems

• Walking
  Of the 450 students at the school, 432 walks to school. What percentage is this?
• Iron
  Iron ore contains 54% iron. How much ore is needed to produce 23 tons of iron?
• Class
  In 7.C clss are 10 girls and 20 boys. Yesterday was missing 20% of girls and 50% boys. What percentage of students missing?
• 100 %
  How much is 100%, if 17 % is 1169?
• TVs
  Production of television sets increased from 3,500 units to 4,200 units. Calculate the percentage of production increase.
• The percentages in practice
  If every tenth apple on the tree is rotten it can be expressed by percentages: 10% of the apples on the tree is rotten. Tell percent using the following information: a. in June rained 6 days b, increase worker pay 500 euros to 50 euros c, grabbed 21 from
• What percentage
  What percentage is 12 km out of 80 km?
• A perineum
  A perineum string is 10% shorter than its original string. The first string is 24, what is the 9th string or term?
• Cacao
  Cacao contains 34% filling. How many grams of filling are in 130 g cacao.
• New refrigerator
  New refrigerator sells for 1024 USD, Monday will be 25% discount. How much USD will save, and what will be the price?
• Percents - easy
  How many percent is 432 out of 434?
• Trees
  A young tree is 16 inches tall. One year later, it is 20 inches tall. What is the percent increase in height?
• Percentage increase
  Increase number 400 by 3.5%

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