<PRE><B>Question 1020110</B>
45 minutes = (45 minutes) * [ (1 hour)/(60 minutes) ] = (45/60) hours = 0.75 hours


In summary


45 minutes = 0.75 hours


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Distance = Rate * Time
D = R*T
3 = R*0.75
3/0.75 = R*0.75/0.75
4 = R*1
4 = R
R = 4


His rate or speed is 4 miles per hour</PRE>