Select the best real-world situation that can be represented by 15 + c = 19.50. Then solve the equation and describe what your answer represents for the problem situation.
A Mary wants to buy flowers and perfume. She has $19.50 to spend but has already spent $15 on perfume. How much does she have left to spend on flowers?
B Rachel earns $15 per hour. How long does it take her to earn $19.50?
C Sarah has $15 in her checking account but has written a check for $19.50. How much is she overdrawn?
D Jane has $19.50 to spend. How many roses can she buy if they are $15 each?