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EXPLANATION

Since we have that Ed bikes 48.6 miles, dividing this number by the number of hours will give us the mean speed as shown as follows:

[tex]\text{Mean spped = }\frac{48.6\text{ miles}}{2.7\text{ hours}}=18\text{ }\frac{miles}{\text{hour}}[/tex]

In conclusion, the mean speed is 18 miles/hour

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