Thursday, August 5, 2010

The answer to our last problem is 5










Answer: 12 - 7 = 5 people in bare feet!

Because I have been so remiss in putting up problems of late I have put 3 up today.

Happy problem solving!


1. If Jane is older than Kim, Kim is older than Shawn.
Shawn is younger than Jane and Rachel is older than Jane
List the people from oldest to youngest.





2. In how many different ways can the carriages of a three carriages train be arranged?
3. A math student interviewed 50 fifth graders. 41 said they like peanut butter sandwiches, 35 liked jam sandwiches and 30 liked both on their sandwiches.
How many students liked neither?