Atotal of 123 fifth graders students are going someplace each bus holds 38 all the buses are full except one how many students will be in the bus thats not full

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.