45 is 75% of 60 but if you’re looking for the difference subtract 75 from 100, so 25%
I think answer is 90•13.50=103.5 i am not quite sure about it but..
It should be $92.00
80 • .15 = 12
so 15% of the total ($80) is 12.
add the 12 to the total 80+12= $92