Week of April 12
1.  How can you make 24 using only the numbers  5, 5, 5, and 1, employing each number only once?  You can only add, subtract, multiply, and divide.
2.  A bag of wheat weighs three-quarters as much as a bag of barley that weighs 2 pounds more than a bag of wheat.  How much does a sack of wheat weigh?
3.  The following equation is incorrect. 5 + 5 + 5 = 550

By adding one stroke of the pen, how do you make it add up?  Adding a bar across the = sign to make it "does not equal is not allowed.
5.  A ten volume encyclopedia is arranged in order of the shelves of a library.  The pages of each volume are 4.5 inches thick and the front and back covers are each 0.25 inches thick. A worm born on page 1 of volume 1 munches its way horizontally through the collection in a straight line, dying of the last page of the tenth volume. What distance will the worm have traveled during its lifetime?
4. A  dartboard is divided into areas where you can score different numbers of points:  these scores are 5, 12, 17, 28, 35 and 41 points. How can you score exactly 87 points by throwing only 4 darts at the board?