PLS HELP !! A total of 78 seats for a local concert are sold, producing a total revenue of $483.
If seats cost either $2.50 or $10.50, how many of the $2.50 seats were sold?
seats.

Part B
How many of the $10.50 seats were sold?
seats

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters

Ineed to find the answer to number 2