Farmer John is testing two different fertilizers, Magic Grow and Sprout Up, on his shrubs. The graph shows the linear relationship between the number of days he applied the fertilizer to two different shrubs, and their height.

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Fertilizers
Height (cm)

Weeks
After how many weeks does it appear that both shrubs are the same height?
Responses
A 8080
B 9090
C 66
D 5

C - 6 weeks

After 6 weeks, both shrubs appear to be the same height at approximately 80 cm.