Posted by kathy on Thursday, December 3, 2009 at 5:38pm.
Alog is cut into four pieces in 12 seconds. At the same rate, how long would it take to cut the log into five pieces?
Hint the answer is not 15!

math  Ms. Sue, Thursday, December 3, 2009 at 6:07pm
Alex only made three cuts in the log. So it took him 4 seconds for each cut. He would need 4 cuts to make five pieces.
4 * 4 = ?