A store has a 4 0 % 40%40, percent off sale on headphones. With this discount, the price of one pair of headphones is $ 3 6 $36dollar sign, 36. What is the original price of the pair of headphones?

For this case what you should do is solve the problem using for example a rule of three

60% - - - > 36

100% - - - > x

Clearing x we have:

x = (100/60) * (36) = $ 60

Checking the result:

40% of 60 is

(0.40) * (60) = 24

60-24 = 36 $

Answer:

the original price of the pair of headphones is $ 60