Question 656765
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Hi,
a store is having a 20% off sale if the reduced price is 126.40 
what was the orignal price{{{highlight(P[O])}}}?  $126.40/.80 = $157.50
Note: {{{P[O] - .20 = P[S]}}}, {{{P[O](1-.20) = P[S]}}}, {{{P[O] = P[S]/.80}}}