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Monday, April 26, 2010

Today's Teaser...........

A frog fell into a hole that was 14 1/2 feet deep. He could jump 3 feet, but he slid back a foot each time he jumped. How many jumps does it take him to get out of the hole?
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1 comments:

Jim (Jimbo) (Jing) said...

Answer= 7 The frog advances 2 feet with each jump, but he jumps 3 feet, so the 7th jump, starting at 12 feet, brings him to 15 feet, which takes him out of the hole.