rachelpeedle rachelpeedle

13-04-2016
Mathematics

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To increase or decrease an amount by 30% what single multiplier would you use?

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mayafrancois199 mayafrancois199

13-04-2016

i think that would be x 30/100

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apologiabiology apologiabiology

13-04-2016

100%-30%=70%
100%+30%=130%

to decrese by 30%, multiply by 70%
to increase by 30%, multiply by 130%

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