It’s c because peep how it’s listed least to greatest
it means i only paid for %10 out if the 100%.
so therefore, the original price is;
100/10×80=$800
First, multiply both sides by 4:
(3x - 4)/4 = 5x + 2
3x - 4 = 4(5x + 2)
3x - 4 = 20x + 8
-12 = 17x
x = -12/17
Hope this helps!