On his inline skates, Jamal covered a steep 20-mile route in 2 hours and 22 minutes. After a
break for lunch, he took same path back to where he started from. It was mostly downhill, so
he made the return trip in just 1 hour. What was his average speed during the trip?
Write your answer as a whole number or as a decimal rounded to the nearest tenth.
miles per hour
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