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Read the problem below and find the solution. Draw a diagram on your own
paper to help solve it.
Sally has a pet snail that fell into a well. The well is 16 feet deep. Each day,
the snall 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?
(Do not include units in your answer.)
Answer here