SOLUTION: Letha walkeds feet away at y feet per minute and arrived at the library 10 minutes late. How fast should she have walked to arrived on time?
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Question 1152511: Letha walkeds feet away at y feet per minute and arrived at the library 10 minutes late. How fast should she have walked to arrived on time?
Please show complete answer w/ steps please and thanks! Answer by josgarithmetic(39630) (Show Source):
You can put this solution on YOUR website! -------------------------------------------------------------
Letha walked s feet away at y feet per minute and arrived at the library 10 minutes late. How fast should she have walked to arrived on time?
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Not sure this is best approach
not sure I understand the description correctly but,..
y, speed as done
y+k, some wanted higher speed
s, distance to get to library
SPEED TIME DISTANCE
LATE y s/y s
ON TIME y+k s/(y+k) s
DIFFERENCE 10
(