Warren drives his car 330 miles and has an average of a certain speed. If the average speed had been 3 mph more. he could have traveled 352

Warren drives his car 330 miles and has an average of a certain speed. If the average speed had been 3 mph more. he could have traveled 352 miles in the same length
of time. What was his average speed?
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  1. Answer:

    45 miles per hour

    Step-by-step explanation:

    d=distance in miles

    r=rate miles/hr

    t = time in hours

    t = 352/(r+3)

    330/r = 352/(r+3)

    352r = 330r + 990

    22r = 990

    r = 45

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