SOLUTION: One day Larry decided to go fishing in the back country. He rode his bicycle 14 miles and then walked the last 5 miles. If it took him 3 hours all together and his bike speed was
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Question 1013510: One day Larry decided to go fishing in the back country. He rode his bicycle 14 miles and then walked the last 5 miles. If it took him 3 hours all together and his bike speed was twice his walking speed,how fast did he walk in miles per hour. Found 2 solutions by fractalier, josmiceli:Answer by fractalier(6550) (Show Source):
You can put this solution on YOUR website! Let = time in hours spent biking = time in hours spent walking
Let = his walking speed in mi/hr = his speed biking
--------------------------
His equation for biking:
(1)
His equation for walking:
(2)
----------------------
(1)
(1)
and
(2)
(2)
(2)
(2)
(2)
(2)
and
(1)
(1)
(1)
He walked 4 mi/hr
-----------------
check:
(2)
(2)
(2)
(2)
and
(1)
(1)
(1)
(1)
OK
