A concert promoter needs to make $56,100 from the sale of 1620 tickets. The promoter charges $30 for some tickets and $45 for the others. Let x represent the number of $30 tickets and y represent the...

Extracted text: A concert promoter needs to make $56,100 from the sale of 1620 tickets. The promoter charges $30 for some tickets and $45 for the others. Let x represent the number of $30 tickets and y represent the number of $45 tickets. (a) Write an equation that states that the sum of the tickets sold is 1620. (b) Write formula for how much money is received from the sale of $30 tickets? $ (c) Write a formula for how much monev is received from the sale of $45 tickets? 24 (d) Write an equation that states that the total amount received from the sale is $56,100. (e) Solve the equations simultaneously to find how many tickets of each type must be sold to yield the $56,10o. X = y =