If the store decreases its prices by 20%, then ur actually paying 80%
0.80(120) <=== ur expression
lets check..
0.80(120) = 96
120 - 0.2(120) = 120 - 24 = 96 (yep, it matches)
59/125, 472/1000, 236/500
What your question i can help you
Wait a minute - sorry I misunderstood the question lol