Which shows a correct way to solve this problem?



Sheri bought 3 books and a magazine at the bookstore. Each book cost $9 and the magazine cost $2.



How much did Sheri spend at the bookstore?



A.


Step 1: Multiply 9 × 3.
Step 2: Add 2 to the product.


B.


Step 1: Multiply 9 × 2.
Step 2: Add 3 to the product.


C.


Step 1: Add 9 + 3.
Step 2: Multiply the sum by 2.


D.


Step 1: Add 9 + 2.
Step 2: Multiply the sum by 3.