SOLUTION: In a walkathon to raise money for a charity, Elisa walked a certin distance at 5mi/h and then jogged twice that distance at 8mi/h. Her total time walking and jogging was 2 h and 15
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Question 214179: In a walkathon to raise money for a charity, Elisa walked a certin distance at 5mi/h and then jogged twice that distance at 8mi/h. Her total time walking and jogging was 2 h and 15 min. How many miles long was the walkathon? ( hint: time equals distance over rate.) Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! I would write 2 equations, 1 for
jogging and 1 for walking
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given: mi/hr mi/hr hrs
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Now rewrite the equations
and
Substituting: hr
And, since mi
And, since mi
The walkathon was mi
check: hr
and hr
OK
