Mathematics, 09.11.2019 18:31 yarielisr18
Sally was able to drive an average of 21 miles per hour faster in her car after the traffic cleared. she drove 45 miles in traffic before it cleared and then drove another 36 miles. if the total trip took 4 hours, then what was her average speed in traffic?
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Sally was able to drive an average of 21 miles per hour faster in her car after the traffic cleared....
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