1. Rene is in the band. As a part of a fund raiser, she is selling tickets to a spaghetti dinner. The tickets cost $7 for adults and $4 for children. If Rene sold 57 tickets for a total of $303, which of the following systems can be used to determine how many adult tickets, a, and children's tickets, c, Rene sold? А а+с%3 57 7a + 4c = 303 В а+с - 303 7a + 4c = 57 %3D C a+c= 57 4a + 7c = 303 Da+c=303 4a + 7c = 57

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