At the start of the week, you could complete 12 push-ups. by the end of the week, you could complete 17 push-ups. which proportion could you use to find the percent increase in the number of push-ups you can complete?

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.