In a survey of 702 students, 2/3 liked rock music. how many students liked rock music?
a. 393
b. 468
c. 444
d. 504

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.