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I drove to the beach at a rate of 40 miles per hour.  If I had driven at a rate of 50 miles per hour instead, then I would have arrived 45 minutes later.  How many miles did I drive?

 Jun 25, 2023
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From this, we can infer that going 10 mph faster will get you there 45 minutes earlier. This means x/50=x/40+0.75. When you solve for x, you get 150. You drove 150 miles!

 Jun 27, 2023

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