Answer:
6
Step-by-step explanation:
2x -4 = 8 , 8+4=12 , 12÷2=6
As an improper fraction, it would be -11/4
As a mixed number, it would be
-2 and 3/4
subtract lowest time from highest time for each kind
129-29 = 100
320-210 = 110
the ranges are about the same but the times are higher for the dark chocolate