SOLUTION: St. Louis and Portland are 2060 miles apart. A small plane leaves Portland traveling toward St. Louis at an average speed of 90mph. Another plane leaves St. Louis at the same time
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Question 919401: St. Louis and Portland are 2060 miles apart. A small plane leaves Portland traveling toward St. Louis at an average speed of 90mph. Another plane leaves St. Louis at the same time traveling toward Portland averaging 160mph. How long will it take them to meet?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
90D= 2060*160 - 160D
250D = 2060*160
D = 2060*160/250 = 1318.4mi
t = = 8.24hr
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