Backpack is normally $64.99, put on sale it is marked down to $45.49 what percent off is the sale price

Answer:The percent off on the sale price is 30%.Step-by-step explanation:Marked up price = $64.99marked down Price = $45.49Let us assume the off percentage = k%Now, the Amount off on the sale = Marked up price - Marked down price                                                         = $64.99 -  $45.49  = $19.5⇒  k% off on Marked up Price  $64.99 = $19.5or, [tex]\frac{k}{100}  \times 64.99  = 19.5\\\implies k = \frac{19.5 \times 100}{64.99}  = 30[/tex]or, k = 30%Hence, the percent off on the sale price is 30%