SOLUTION: If a man travels p hours at an average rate of q miles per hour and then r hours at an average rate of s miles per hour, what is his overall average rate of speed?
A) (pq+rs)/(p+r
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A) (pq+rs)/(p+r
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Question 1117425: If a man travels p hours at an average rate of q miles per hour and then r hours at an average rate of s miles per hour, what is his overall average rate of speed?
A) (pq+rs)/(p+r)
B) (q+s)/2
C) (q+s)/(p+r)
D) p/q + r/s
E) p/s + r/q Answer by ikleyn(52775) (Show Source):
