Karl was fixing the molding around his pool. At the end of the day, he had 10.5 feet of molding left over. During the day, he had used one 3.5-foot-long piece of molding, three 2.25-foot-long piece of molding, and one 5-foot-long piece of molding.
How many feet of molding did Karl have at the beginning of the day?
A.
Start with 10.5. Add 3.5 and 10.5. Multiply 2.25 by 3 and add the sum and product together. Then add 5 to the answer.
B.
Start with 10.5. Add 3.5 and 10.5. Add 2.25 to the sum. Then add 5 to the answer.
C.
Start with 10.5. Add 3.5 and 2.25. Add this sum to 10.5.
