SOLUTION: Sue heads due west from Dry Gulch on U.S. 6.5 at a steady speed of 55 mph (miles per hour) while Don heads due east from Wet Hollow (which is 830 miles west of Dry Gulch) on the sa
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Question 3442: Sue heads due west from Dry Gulch on U.S. 6.5 at a steady speed of 55 mph (miles per hour) while Don heads due east from Wet Hollow (which is 830 miles west of Dry Gulch) on the same hiway at 65 mph but he starts 2 hours after Sue did. How many miles did Don travel before they met? Answer by khwang(438) (Show Source):
You can put this solution on YOUR website! Since 1= b = c
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b c 8
we have c= b^2 , b= c^2/8
so b = b^4/8,
b > 0 , after cancelling b , we get b^3 = 8,
so b = 2 and c = b^2 =4.
we obtain b+c = 6.
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