Write two expressions that are equivalent to the expression below. (9- c) +(9 -c)+(9- c) +(9- c)

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

This question awards 100 ! i really don’t want to fail i will also mark you !

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10