1. What is the solution to the system of equations?
y = 5x - 7
-3x - 2y = - 12
A. (2, 3)
B. (1, - 2)
C. (-2, 9)
D. (3, 8)
What is the solution to the systems of equations represented by the 2 equations?
y = 4x + 3
y = - x - 2
A. (1, 7)
B. (-1, - 1)
C. (2, - 4)
D. (-3, - 9)
A family went to an amusement park and paid $12 for each adult and $8 for each child. A group of 15 people went to the park and it cost $140. This system of equations models this situation, where x is the number of adults and y is the number of children.
How many children were in the group?
x + y = 15
12x + 8y = 140
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