The answer should be 77.78
I got this answer by
1. Getting the common denominator, which in this case is 18(peppermint=4/18, chocolate=6/18, caramel=5/18, and grape=3/18)
2. I added up the numerators of everything except the peppermint(6+5+3=14) which are the candy that aren’t peppermint means that 14/18
3.