To reach their sales target, Hanna and Rebecca must sell 230 cakes. Each day Hanna bakes 25 cakes. She gives away 7 and sells the rest. Each day Rebecca bakes 37 cakes. She gives away 9 and sells the rest. Which expression can be used to find how many days it will take to reach their sales target? A. 230 = (25 - 7) + (37 - 9)] B. 230 = [(25 + 7) + (37+9)] C. 230 = [(25 - 7) + (37+9)] D. 230 = [(25 – 7) – (37 – 9)]