Mathematics, 18.05.2021 23:20, mdegracia73
On Marlene's trip to Starved Rock, her average rate of speed for the entire five-hour trip was 62 miles per hour. For the first two hours of her trip, she kept her average speed at 50 miles per hour. Then she realized she was going to be late to meet her friend for dinner, so she started driving faster. What was her average speed for the last three hours of the trip?
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On Marlene's trip to Starved Rock, her average rate of speed for the entire five-hour trip was 62 mi...
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