joylsbarbour
18.05.2021 •
Mathematics
The local high school sold 216 tickets to a play. They sold adult tickets for $7 and student tickets for $4.
The box office collected a total of $1269.
Which system of equations could be used to determine the number of adult tickets, a, and the number of student tickets, s, sold?
a + s = 216
7a + 4s = 1269
a + s = 216, , 7a + 4s = 1269,
a + s = 1269
7a + 4s = 216
a + s = 1269, , 7a + 4s = 216,
a + 216 = s
7a + 4s = 1269
a + 216 = s, , 7a + 4s = 1269,
a + s = 216
4a + 7s = 1269
a + s = 216, , 4a + 7s = 1269,
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Ответ:
Create a graph to locate the intersection of the equations. The intersection of the system of equations is the solution.
(0,-3) , (3,0)
Step-by-step explanation: please brainliest!