SOLUTION: A cyclist takes 3 hours to travel 45 miles while pedaling against the wind. If the speed of the wind is 6 miles per hour, how fast would the cyclist be able to travel on a windless

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Question 718550: A cyclist takes 3 hours to travel 45 miles while pedaling against the wind. If the speed of the wind is 6 miles per hour, how fast would the cyclist be able to travel on a windless day?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +s+ = speed of cyclist in mi/hr with no wind
+s+-+6+ = speed of cyclist pedaling against the wind in mi/hr
given:
+45+=+%28+s+-+6+%29%2A3+
+45+=+3s+-+18+
+3s+=+63+
+s+=+21+
The speed of cyclist with no wind is 21 mi/hr