Solve the equation - 12.2z - 13.4z=-179.2.
1 answer:
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Answer:
The number of adult ticket sold was 1,120 and the number of child ticket sold was 530
Step-by-step explanation:
Let
x ----> the number of adult ticket sold
y ----> the number of child ticket sold
we know that
----> equation A
----> equation B
Solve the system by graphing
Remember that the solution is the intersection point both graphs
The solution is the point (1,120,530)
see the attached figure
therefore
The number of adult ticket sold was 1,120 and the number of child ticket sold was 530
