Blue is the favorite color of 13 students. Orange is the favorite color of 9 students. How many more students like blue than orange?
Which answer shows how to solve the problem?
Subtract: 13 – 9 because it shows the difference between the two numbers.
Add 13 and 9 because it asks for how many more.
Subtract: 13 – 9 because you are given the total and a part.
Add 13 and 9 because you are given two parts of a total.