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Year 7 Interactive Maths - Second Edition


Finding a Percentage of a Quantity

To find a certain percentage of a given quantity, we multiply it by the corresponding fraction.


Example 7

Find 20% of 45.

Solution:

20% of 45 = 9


Example 8

Find 3 1/2% of $80.

Solution:

3 1/2% of $80 = $2.80

 

Study Another Topic in Chapter 10: Percentages

Percentages ] Changing a Percentage to a Decimal ] Changing a Decimal or Fraction to a Percentage ] [ Finding a Percentage of a Quantity ] Expressing a Quantity as a Percentage of another Quantity ] Problem Solving Unit ] Symbols ] Index ]

 

Study Another Chapter
 

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