2x - 3y = -23
Solve the equation=4.
Tickets for a concert were priced at $5, $8 and $12.
The number of $5 tickets sold was twice the number of $8 tickets.
The number of $12 tickets sold was 80 more than the number of $8 tickets.
The number of $8 tickets sold was x,
(a) Find an expression, in terms of x, for the total sum of money received from
the tickets,
(b) Given that $9360 was received from the sale of the tickets, form an equatio
Solve this equation and hence find the total number of tickets that were solo
D
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