Give me full working and explanation! And I give you stars and I mark you as brainliest for sure. Best deal here.

1st clock timing
2nd clock timing
3rd clock timing
4th clock timing
30.
formula for discount: original price - final price
In percentage:
[tex]\rightarrow \sf \dfrac{194.25}{700} *100[/tex]
[tex]\rightarrow \sf 27.75\%[/tex]
ii)
3($194.25) = $582.75 discount
In percentage: same. 27.75%