Question 610331
60 min = 1 hr


1 min = 1/60 hr


48*1 min = 48*(1/60) hr


48 min = 48/60 hr


48 min = 4/5 hr


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d = rt


32 = r*(4/5)


32*5 = r*4


160 = 4r


160/4 = r


40 = r


r = 40



So your avg speed was <font color="red">40 mph</font>

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