Turn them all into decimals so you can clearly see the difference between them
8 1/9 = 8.11
8.117
8.28
163/20 = 8.15
8 1/9, 8.117, 163/20, 8.28 is your answer
If it was a 75% discount, then u r actually paying 25%
so....25% of the original price is $ 11
0.25x = 11
x = 11 / 0.25
x = 44 <=== the original price
The difference is 180 is the correct answer for the problems
As we are given with

we are supposed to simplify this expression. which can be done as below

