claudiap2629 claudiap2629

11-11-2017
Mathematics

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my parents increased my pocket money by 10% and then three months later increased it by further 10%
my father said this was an increase of 21% can you explain this

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orladuffy1 orladuffy1

11-11-2017

You do 1.10x1.10=1.21
This means there is a 21% increase. This is an overall increase, you don't add them

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