SOLUTION: A BICYCLIST RODE INTO THE COUNTRY FOR 5 HRS. IN RETURNING, HER SPEED WAS 5 M/H FASTER AND THE TRIP TOOK 4 HOURS.
WHAT WAS HER SPEED EACH WAY?
Thanks
JMS
Algebra.Com
Question 108101: A BICYCLIST RODE INTO THE COUNTRY FOR 5 HRS. IN RETURNING, HER SPEED WAS 5 M/H FASTER AND THE TRIP TOOK 4 HOURS.
WHAT WAS HER SPEED EACH WAY?
Thanks
JMS
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
DISTANCE=RATE*TIME
SEEING AS THE DISTANCES ARE THE SAME WE HAVE THE EQUATION
5*R=4(R+5)
5R=4R+20
5R-4R=20
R=20 MPH HER SPEED GOING
PROOF
5*20=4(25)
100=100
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