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6 hours?
Lydia's speed on Tuesday was 180 miles divided by 3 hours, or 60 mph. If she then drove 7 hours at 60 mph, she drove 420 miles. Altogether, she drove 420 + 180 or 600 miles.
245 miles
Well, if Van drove 6 hours at the speed of 54 mph, you would have to multiply 54x6=324. So, your excellent answer would be 324
40 mph