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20 Mar 2017, 04:43
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A race car driver drives a miles in qualifying in p hours and then drives b miles in 2p hours. Which of the following represents the driver's average speed, in miles per hour, for the two sets of driving?
A. (a+b)/p
B. (a+b)/(3p)
C. 3p/(b-a)
D. 2(a+b)/(3p)
E. p/(2(a-b))
A. (a+b)/p
B. (a+b)/(3p)
C. 3p/(b-a)
D. 2(a+b)/(3p)
E. p/(2(a-b))
20 Mar 2017, 10:45
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Avg Speed = Total Distance Traveled / Total time of the Trip
Total Distance Traveled = a + b miles
Total Time = p + 2p = 3p
Avg Speed = (a+b)/3p
Ans:- B
Regards
Narayana raju
Total Distance Traveled = a + b miles
Total Time = p + 2p = 3p
Avg Speed = (a+b)/3p
Ans:- B
Regards
Narayana raju
