Pricing A concert promoter needs to make $84,000 from the sale of 2400 tickets. The promoter charges $30 for some tickets and $45 for the others.
a. If there are x of the $30 tickets sold and y of the $45 tickets sold, write an equation that states that the total number of tickets sold is 2400.
b. How much money is received from the sale of x tickets for $30 each?
c. How much money is received from the sale of y tickets for $45 each?
d. Write an equation that states that the total amount received from the sale is $84,000.
e. Solve the equations simultaneously to find how many tickets of each type must be sold to yield the $84,000.
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