for every completed length of audiobook, Zhen spends 6.5 hours working.
C.Zhen spends 6 1/2 hours working per audiobook
Answer:
C
Step-by-step explanation:
425.69+298.72=724.41
29.72+135.47+208.28=373.47
724.41-373.47=350.94
350.94-5=345.94
The answer is c
4: 4, 8, 12, 16, 20
7: 7, 14, 21, 28, 35
9: 9, 18, 27, 36, 45
12: 12, 24, 36, 48, 60
Parallel, because if you extend them forever they’ll never touch