Answer:
3c + 5a=115
a+c=33
A=8
C=25
Step-by-step explanation:
In this case you just have to know that the price of the child tickets are $3, so thats the constant thas goes along with the C and the price for the adult tickets is $5 and that is the constant number that goes with the A, so the first equations would be:
3c + 5a=115
And you know that they sold 33 tickets so the total number of adult tickets added up to the total number of child tickets should be 33 so the second equation should be this:
a + c= 33
You just have to eliminate the c by multiplying the second equation by -3
3c + 5a=115 = 3c+ 5a= 115
(a + c= 33) -3= -3c -3a= -99
You add both equations and it will end up like this:
+5a - 3a= 115-99
2a=16
A=8
So your first answer is A=8
and to solve the value for C you just put the value of A into one of the eqquations of the system:
A+C=33
C=33-8
C=25