Whay is the sum of 15 and 30

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3