Angeldelissa
02.12.2020 •
Mathematics
The school that Anthony goes to is selling tickets for a choir concert. On the first day of ticket sales his school sold 3 senior citizen tickets and 1 child ticket for a total of $38. The school took in $52 on the second day by selling 3 senior citizen tickets and 2 child tickets. What is the price of a senior citizen ticket?
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Ответ:
A senior citizen costs $8
Step-by-step explanation:
Represent senior citizens with S and children with C.
The first day is represented as:
The second day is represented as:
Required
Solve for C and S
Make C the subject in the first equation
Substitute 38 - 3S for C in the second equation
Collect Like Terms
Divide through by -3
Recall that:
Hence, a senior citizen costs $8
Ответ:
(0,-1)
Step-by-step explanation: