ALGEBRA I-UNIT #1 BRAIN TEASERS-DAY #20-(9/23/14)
Brain Teaser- "Valentines"
Every student in a second grade class sends a valentine to each of the other students in the class, for a total of 306 valentines. How many students are in the class?
HINT: Use what you know about factors to help you solve this!!!
HINT: Use what you know about factors to help you solve this!!!