SOLUTION: A ship 156 km away from the shore springs a leak, which admits 3.5 metric tons of water in 6.5 min, but the pumps throw out 15 metric tons of water in 1 hour.68 metric tons would

Question 902935: A ship 156 km away from the shore springs a leak, which admits 3.5 metric tons of water in 6.5 min, but the pumps throw out 15 metric tons of water in 1 hour.68 metric tons would suffice to sink the ship.find the averqge rate of sailing so that she may just reach the shore as she begins to sink.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
3.5/6.5=15/60
0.53846153846153846153846153846154 a minute
15/60=.25 every min
so it is filling at 0.28846153846153846153846153846154 a minute.
68/28846153846153846153846153846154=235.73 minutes to reach the limit which is almost 4 hours 3.9288888888888888888888888888889 hours
165 /3.9288888=39.7059 kmph
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