SOLUTION: mike drove 135 miles. if he went 10mph faster he could have gone an additional 85mph in the one additional hour. find his original speed

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Question 460604: mike drove 135 miles. if he went 10mph faster he could have gone an additional 85mph in the one additional hour. find his original speed
Answer by rwm(914) About Me  (Show Source):
You can put this solution on YOUR website!
75 mph
You said if we add 10 miles then he would go 85 miles in an hour
85-10=75