Source: The Math League
http://www.mathleague.com
AB x C = DE and FG - DE = HI (don't use 0 in the solution)
17 x 4 = 68 and 93 - 68 = 25
Source: 536 Curious Problems & Puzzles, by Henry Ernest Dudeney,
p. 47 (#152)
If you find a solution to either of these current problems, go to the Math Forum web site if you would like to submit an online solution.
3A. Middle School - Seating Dilemma
3B. Elementary School - Across the Netherlands
Source: The Math Forum
3A.
http://forum.swarthmore.edu/midpow/
3B.
http://forum.swarthmore.edu/elempow/
Have a good vacation next week! See you March 7th.
Don Braffitt