a1232 a1232
  • 07-08-2015
  • Mathematics
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what is decrease £52 by 8%

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Аноним Аноним
  • 07-08-2015
[tex]\begin{array}{ccc}100\%&-&\£52\\\\8\%&-&\£ x\end{array}\ \ \ \ |cross\ multiply\\\\\\x\cdot100=8\cdot52\\100x=416\ \ \ \ \ |divide\ both\ sides\ by\ 100\\x=4.16\\\\Your\ answer:\boxed{\£52-\£4.16=\boxed{\£47.84}}[/tex]
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