Mathematics, 31.07.2019 17:20 hadwell34
Susan drove an average speed of 30 miles per hour for the first 30 miles of a trip & then at a average speed of 60 miles/hr for the remaining 30 miles of the trip if she made no stops during the trip what was susan's avg speed in miles/hr for the entire trip.(a) 35(b) 40(c) 45(d) 50(e) 55
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Susan drove an average speed of 30 miles per hour for the first 30 miles of a trip & then at a...
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