SOLUTION: The average speed of two runners are 4 yards per second and 5 yards per second. The slower runner was given a 7 in a half second to start in a race that ended in a tie. What distan
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Question 870860: The average speed of two runners are 4 yards per second and 5 yards per second. The slower runner was given a 7 in a half second to start in a race that ended in a tie. What distance did they race?
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
D=RT
D=4(T+7.5) FOR THE SLOWER RUNNER
D=5T FOR THE FASTER RUNNER
4(T+7.5)=5T
4T+30=5T
4T-5T=-30
-T=-30
T=30 SEC IS THE RUN TIME.
PROOF:
4(30+7.5)=5*30
4*37.5=150
150=150
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