SOLUTION: Lysa left camp on her bicycle at noon and rode at an average rate of 10 miles per hour. Morton left camp in his van at 1:30 P.M. and overtook Lysa in 30 minutes. At what average ra

Question 793578: Lysa left camp on her bicycle at noon and rode at an average rate of 10 miles per hour. Morton left camp in his van at 1:30 P.M. and overtook Lysa in 30 minutes. At what average rate was he traveling in the van?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Lysa's head start is

-------------
Start a stop watch when Morton leaves
= time in hrs on stopwatch when
he catches Lysa
Let = distance Morton travels in time
Let = Morton's rate in mi/hr
---------------
Morton's equation:
(1)
Lysa's equation:
(2)
---------------------
(2)
(2)
and
(1)
(1)
(1)
His rate was 40 mi/hr

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