SOLUTION: thomas drove 30 mi in 1/2 hour. Lisa drove twice as far in 3 times as much time. How fast did Lisa drive. Give your answer in miles per hour and explain how you solved the problem.
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Question 612619: thomas drove 30 mi in 1/2 hour. Lisa drove twice as far in 3 times as much time. How fast did Lisa drive. Give your answer in miles per hour and explain how you solved the problem. Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! thomas drove 30 mi in 1/2 hour. Lisa drove twice as far in 3 times as much time. How fast did Lisa drive. Give your answer in miles per hour and explain how you solved the problem.
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thomas drove 30 mi in 1/2 hour. Lisa drove twice as far in 3 times as much time.
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Lisa drove 60 miles in 1.5 hours
d = r*t
r = d/t = 60/1.5
r = 40 mi/hr
