the answer is in the picture
"Using these two terms are different in really one way, saying buy one get one half off is saying pay for one get another half that price, saying 50% discount means that you pay half of the original price but you still pay the taxes with it and with the 1st choice you wouldn't have to pay that additional taxes."
The 3rd one because 0.12 is 0.120 0.34 is 0.340 0.695 is 0.695 and 0.9 is 0.900 its all in order
100 percent / 6 =16.6 reoccurring times 5 = 83.3 reocurring
