If a baseball and a bat cost $1.10 together, and the bat costs $1.00 more than the ball, how much does the ball cost? Was your answer that the ball cost 10 cents? If so, you’d be wrong. Here’s the solution: Although $1.00 + $0.10 does equal $1.10,  if you take $1.00 – $0.10 you … Continue reading The Bat and A Ball Problem