In a race from pt. X to pt Y and back, Jack averages 0
miles/hr to pt Y and 10 miles/hr back to pr X. Sandy
averages 20 miles/hr in both directions. If Jack and Sandy
start race at same tIme, who’ll finish 1st
Jack/Sandy/they tie/Impossible to tell
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Answer Posted / shiva s k
SANDY WINS THE RACE SINCE AVG SPEED OF JACK IS 0 WHERE AS
SANDY IS 20MILES/HR BY THE FORMULA
AVERAGE SPEED=2*a*b/(a+b)
| Is This Answer Correct ? | 21 Yes | 2 No |
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