How do you calculate viewing area

Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?

Landon wrote that 3−2.6=4. which statement about his answer is true?

What are the values of each variable in the diagram below?