Bunuel wrote:
nacho93 wrote:
My brain must be fried, but I cannot seem to find a simple way to do this. Is it possible without long division, is there some shortcut/trick I am missing?
It's one of the OG questions, any help is very much appreciated.
It's one of the OG questions, any help is very much appreciated.
Transform decimal into fraction:\(1.15=1\frac{15}{100}=1\frac{3}{20}=\frac{23}{20}\) .
\(Bill*1.15=207\) -->\(Bill*\frac{23}{20}=207\) -->\(Bill*\frac{23}{20}=9*23\) -->\(\frac{Bill}{20}=9\) -->\(Bill=180\) .
Hope it helps.
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