Robert is training for a half-marathon. On Saturday, he ran 3 miles in 34.5 minutes. What is his unit rate in miles per hour (mph)? (Round to the nearest tenth.)

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unit ratein miles per hour (mph) is5.2 miles per hour.## What is speed?

Speedis the change in displacement resulting from the interaction ofdistancewithtime.Speedmeasures theratioofdistancetotime.## Data and Calculations:

Distancecovered in 3 miles = 34.5 minutesDistanceto be covered in one hour = 5.217 miles (3/34.5 x 60)speed= 5.2 miles per hour.unit ratein miles per hour (mph) is5.2 miles per hour.distance, time, and speedat https://brainly.com/question/4931057