Selling for 40% off the original price. the original price was $90 what is the sals price?

$54

Step-by-step explanation:

1.  $90 is the original price subtract 40% change 40% to a number .40   multiply .40 by 90.     .40X90 = .3600  move the decimal over the 2 tenths.  $36.  Is the 40% being taken off.  $90 - $36 = $54.

OR

2. $90 is the original price.  100% - 40% = 60% that you will pay.  Change 60% into a number .60   multiply .60X90 = .5400 move the decimal point over the 2 tenths and you will pay $54.