What is a means exam?
a. a document stating you don't need to pay certain debts
b. an application for a loan
a survey about your income, expenses, and assets
d. a plan for paying your creditors

Step-by-step explanation:

Given is a two way table with rows representing lunch and columns representing riding bus.

The row is divided as ride bus and do not ride bus and column as bring lunch and do not bring lunch.

We find from the table the total number of students who bring lunch =

I column total = 95

The total number of students who ride bus = I row total = 75

Difference = 95-75 =20

Hence 20 more students bring lunch than students who ride bus