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Calculating one thing as a % of another
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by
Ellen Billingham
, created
over 6 years ago
GCSE Maths (Year 8 Number 1) Mind Map on Calculating one thing as a % of another, created by Ellen Billingham on 05/05/2013.
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maths
year 8 number 1
Created by
Ellen Billingham
over 6 years ago
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Calculating one thing as a % of another
1 % of something
1.1 What is 12% of 38?
1.1.1 Do 38 x the multiplier
1.1.1.1 multipliers
1.1.1.1.1 decimals that you multiply things by to find percentages
1.1.1.1.2 12% multiplier is 0.12
1.1.1.2 38 x 0.12
1.1.1.2.1 12% of 38 = 4.56
2 What % is something of something else
2.1 What percentage of 50 is 28?
2.1.1 Write it as a fraction
2.1.1.1 28/50
2.1.1.2 Times the fraction by 100%
2.1.1.2.1 28/50 x 100%
2.1.1.2.1.1 Cancel
2.1.1.2.1.1.1 28/1 x 2
2.1.1.2.1.1.1.1 Do the sum
2.1.1.2.1.1.1.1.1 28 x 2
2.1.1.2.1.1.1.1.1.1 56%
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