SOLUTION: A race consists of a 20-mile bike ride and a 12-mile run. Jen’s rate while
biking is 4 mi/h faster than while running. She completes the race in 4 hours.
a. Let r be Jen’s rate
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Question 733167: A race consists of a 20-mile bike ride and a 12-mile run. Jen’s rate while
biking is 4 mi/h faster than while running. She completes the race in 4 hours.
a. Let r be Jen’s rate while biking.
Copy and complete the table.
b. Use the information in the Time
column to write a rational equation.
c. Solve the equation to find Jen’s rate
while biking.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
rates:
biking: mi/hr
running: mi/hr
-------------
distances:
biking: mi
running: mi
-------------
times:
biking: hrs
running:
--------------
Multiply both sides by
The 2 answers are:
can't be since I have to subtract from it
to get the running speed, so
Jen's rate while biking is 10 mi/hr
check:
OK
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