Sara is determining the total cost of her meal. The meal itself costs $9.75, and Sara would like to leave a 15% tip. She uses the expression $9.75 + $9.75(0.15) to determine the total cost. Which expression could Sara use to make the calculation easier? A) $9.75 + 1.15 B) $9.75(0.15) C) $9.75(1.15) Eliminate D) $9.75 + 0.15