# SOLUTION: how long would it take to travel 150 miles at 90 miles per hour

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 Click here to see ALL problems on Travel Word Problems Question 4103: how long would it take to travel 150 miles at 90 miles per hourAnswer by rapaljer(4667)   (Show Source): You can put this solution on YOUR website!The world famous formula for this is D = RT. Distance D=150 miles, Rate R=90 miles per hour. The unknown is T Time. The equation D = RT becomes 150 = 90 T. You must solve for T by dividing both sides by 90. 150/90 = T T = 5/3 or 1.666 . . . hours.