The National Honor Society is selling tickets for the spring dance. Tickets are $12 for couples and $8 for singles. Let x be the number of couples and y be the
number of singles. This system of equations represents the situation in which ticket sales totaled $1,580 and a total of 250 students attended the dance.
12x + 8y = 1,580
2x + y = 250
How many singles tickets were sold?
A)15
B)40
C)105
D)133
