a pair of shoes was put on sale for 10% off. Then the pair was put on clearance for an additional 75% off the sale price. If the final price was $20.25 , what was the over-all percentage off (hint: its not 85%)

Question

anonymous · Answer

is the overall off is 77.5%

anonymous · Answer

what were the steps you took to figure it out

anonymous · Answer

fist after giving 10%off the price was 81(=((20.25/(100-75)))
thus the original sale price was 90 and hence the result