The high school senior class will host an all-night graduation party. The class will use...

The high school senior class will host an all-night graduation party. The class will use approval voting to decide which two main dishes will be served. The following table contains the vote results.

a. Which two main dishes will be served at the party?

b. Eleven students voted for all the options. How would the results change if those 11 students had left their ballots completely blank? How can blank ballots be interpreted?