14ckneller 14ckneller

14-05-2017
Mathematics

contestada

How do you decrease 345 litres by 12%

Respuesta :

mjankiewicz mjankiewicz

14-05-2017

[tex]345-12\%\cdot 345=345-0.12\cdot 345=345(1-0.12)=345\cdot 0.88=303.6 \ (l)[/tex]

or
100% - 12% = 88% = 0.88345 * 0.88 = 303.6

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