Danny owes his dad $200. He mows lawns after school and on the weekends. He charges $28 a lawn, but pays his friend Sam $12 a lawn to help. Danny plans to repay his dad with half of what he earns on each lawn. Identify the expression which represents the condition described. A) 200 - 2x B) 200 - 8x C) 200 - 14x D) 200 - 16x