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Year 7 Interactive Maths - Second Edition


Changing a Percentage to a Decimal

To convert a percentage to a decimal, first write the percentage as a fraction out of 100 and then move the decimal point two places to the left.


Example 3

Express 15% as a decimal.

Solution:

15% = 0.15


Example 4

Express 3 1/2% as a decimal.

Solution:

3 1/2% = 0.035


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