SOLUTION: What is the equation for you leave your house and walk for an half hour at a speed of 3 miles per hour. Then you run for 15 minutes at a speed for 7 miles per hour. You are now hal

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Question 959469: What is the equation for you leave your house and walk for an half hour at a speed of 3 miles per hour. Then you run for 15 minutes at a speed for 7 miles per hour. You are now half way to town.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +d+ = the distance to town in miles
+d%2F2+=+4%2A%281%2F2%29+%2B+7%2A%281%2F4%29+
( note that 15 min = 1/4 hr )