Answer:
The correct option is D) multiplication and addition
Explanation:
Consider the provided information.
Ella had softball and dance practice for 4 weeks. She practiced softball 2 hours a week and dance 1 hour a week.
The number of hours she spend in 4 weeks for softball are:
![4(2)](https://img.qammunity.org/2019/formulas/mathematics/middle-school/w8imov1nb1s0ekcuz6xo8xmkfw0hqfftq2.png)
The number of hours she spend in 4 weeks for dance are:
![4(1)](https://img.qammunity.org/2019/formulas/mathematics/middle-school/1tf3i2dccnw9c61zhbkeo0v6qujut17j2o.png)
The total number of hours Ella practiced softball and dance are:
![4(2)+4(1)](https://img.qammunity.org/2019/formulas/mathematics/middle-school/qmqb83k4rhyr0k428uhlfm2qev205ajkfl.png)
The operations that can be used to find the total number of hours are multiplication and addition.
Hence, the correct option is D) multiplication and addition