Answer:
84 minutes
Step-by-step explanation:
Lavender has worked:
- from 3:13 to 4. That is 47 minutes, and
- from 4:00 to 4:37. An additional 37 minutes.
Total minutes: (47 + 37) = 84 minutes
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Also, (84 minutes)(1 hour/60 minutes) = 1.4 hours