Week of March 11
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 = 550By 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.
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?5. A group of 100 student athletes take part in a test to see if certain vitamins improve performance. Vitamin A is given to 65 students. Vitamin B is given to 75 students. In talking among themselves, they learn that 50 students are getting both vitamins A and B. How many are not getting vitamins?
