Answer: 2.8 hours (equivalent to 2 hrs, 48 min)
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Work Shown:
Multiply 0.35 by 8 and you'll get 2.8, which breaks down as follows
2.8 hrs = (2 hrs) + (0.8 hrs)
2.8 hrs = (2 hrs) + (0.8 hrs)*(60 min/1 hr)
2.8 hrs = (2 hrs) + (0.8*60 min)
2.8 hrs = (2 hrs) + (48 min)
2.8 hrs = 2 hrs, 48 min