Given the following triangle, solve for angle X
1 answer:
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Answer:
The number of coach tickets bought was 9 and the number of first class tickets bought was 6
Step-by-step explanation:
Let'
x ---> the number of coach tickets bought
y ---> the number of first class tickets bought
we know that
The total of people is 15, so the total of tickets is 15
-----> equation A
She was able to purchase coach tickets for $180 and first class tickets for $1160. She used her total budget which was $8580
so
----> equation B
Solve the system by graphing
Remember that the solution of the system is the intersection point both graphs
using a graphing tool
The solution is the point (9,6)
see the attached figure
therefore
The number of coach tickets bought was 9 and the number of first class tickets bought was 6
