Which answer best describes how to solve this story problem? There are three times as many yellow balls as orange balls in each bag. There are 10 orange balls in each bag. How many yellow balls are in 4 bags? A. Add 10 and 4. Then multiply the sum by 3. B. Multiply 10 by 3. Then divide the product by 4. C. Multiply 10 by 3. Then multiply the product by 4.