PercentagesAlgebra Level 2
David told his friend Brett that he recently sold two books on eBay. He sold one for $12, which his dad said was a 25% loss on what he had paid for it. He sold the other one also for $12, which his mom said was a 25% profit for what he paid. "So I guess I broke even", said David. However, Brett knew his friend did not. What was David's overall loss?