SOLUTION: Sally has a pet snail that fell into a well. The well is 16 feet deep. Each day, the snail climbs up 5 feet, but each night, it slides back down 4 feet. How many days will it take

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Question 805099: Sally has a pet snail that fell into a well. The well is 16 feet deep. Each day, the snail climbs up 5 feet, but each night, it slides back down 4 feet. How many days will it take for Sally's snail to get to the top of the well?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
1) 5-4 now at
2) 1+5 6-4
3) 2+5 7-4
4) 3+5 8-4
5) 4+5 9-4
6) 5+5 10-4
7) 6+5 11-4
8) 7+5 12-4
9) 8+5 13-4
10) 9+5 14-4
11) 10+5 15-4
12) 11+5 16-4 almost out
13) 12+5 17 the snail is out
13 days