A television normally costs 1420.Due to a store sale the television is now 1,022.40.What was the percentage taken off the television.

Cost of Television = $1420
Cost of Television after store sale =$1022.40
Drop in price= 1420-1022.40= 397.60.
Price taken off = $ 397.60.
Percentage taken off= [tex]\frac{Difference }{original} x 100.[/tex]
= [tex]\frac{397.60}{1420} x 100=28%.[/tex]
Percent off = 28%.