number of row1 seats --- x
number of row2 seats --- 105-x
35x + 30(105-x) = 3420
easy to solve for x
sub back into my definition.
At the Sacramento Monarchs home games, Row 1 seats cost $35 each and Row 2 seats cost $30 each. The 105 seats in these rows were sold out for the season. The total receipts for them were $3420. How many of each seat were sold?
2 answers
35x+3150-30x=3420
5x=270
x=270
Row 1 54 seats
Row 2 51 seats
5x=270
x=270
Row 1 54 seats
Row 2 51 seats