Halle planted mint and basil seeds in her herb garden. She measured the height of each herb plant at the end of each week for six weeks. The results are shown in the line graph below.


What is the difference to the nearest tenth in the mean growth per week for both herbs during the six weeks shown in the graph?
A.
0.8 cm/week
B.
0.7 cm/week
C.
2.7 cm/week
D.
1 cm/week
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