Can someone me with a graph and percentage?

i really just need in how to get the percentage. i know how i make graphs but i am stuck on creating the table in to percentage.

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?