No it will not change it will be 250% then it will decrease 100% down again back to 150%
Answer:
I think it's D but I am not sure.
The given line has a slope of -1 so the perpendicular line will have a slope of -1/1=1
y=x+5
Answer is: 50.4%. You have to take 30% off of 72%. Easiest way is to find 10% of 72 (7.2) and multiply that by 3 (=21.6). Then minus this off the original price (72 - 21.6 = 50.4)