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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 $55$ miles per hour instead, then I would have arrived $25$ minutes earlier. How many miles did I drive?

 Sep 21, 2024
 #1
avatar+37147 
+1

distance / rate = time 

 

d/40 = d/55 + 25/60    <=====  Given ... solve for 'd' 

3/440 d = 25/60 

d = 61  1/9 miles 

 Sep 22, 2024

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