Answer:
85%
15Step-by-step explanation:
To find the amount of bad potatoes...
Divide 18 by 120.
18/120=.15
Times .15 by 100
.15*100=15
15% is bad,
To find the amount of good potatoes,
Subtract 100 (total percentage) by 15 (rotten potatoes)
100-15=85
85% is your answer
