Half a dozen = 6
only because a full dozen equals 12
half of 12 = 6.
therefore, the answer is 6.
Answer:
not sure of what you were asking so it's simplified below.
Step-by-step explanation:

Note: best i could do with what was given.
Answer:
7) 25
8) 23
Step-by-step explanation:
Over 5 weeks 20 reduction in waste removed.
Therefore 4 per week.
Therefore gradient -4w.
-4 x 5 + c = 60
-20 + c = 60
c = 80
dumpsters removed = d
weeks = w
d = 80 - 4w