Ashley is surveying students at her school and has surveyed 100 girls and 100 boys. If she surveys 110 additional boys, how many more girls must she survey so that girls make up 4/7 of the total students surveyed?

The cost varies directly with the number of tickets purchased. it costs $145 for 10 people to attend a concert. a. what is the constant of proportionality (k)? b. write the direct variation equation. c. home much does it cost for 8 people? d. graph this situation. be sure to label each axis and give the graph a title.