SOLUTION: A Boat raft went down a drop that was 0.33 miles high. The raft dropped at the speed of 20 mph. How long did it take the rafts to drop?

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Question 810876: A Boat raft went down a drop that was 0.33 miles high. The raft dropped at the speed of 20 mph. How long did it take the rafts to drop?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
0=-16t^2-20t+.33
t = 0.0162878 hours
m=0.977266 minutes