Answer:
c
Step-by-step explanation:
1) 9+4a-36+21-6a 2) -2a-6 3) -2a=6 4) a=-3
F(-1)= 4*7(-1) = 4*-7 = -28
F(2)= 4*7(2) = 4*14 = 56
Number 3 is your answer.
Hope this helps! Good luck! :)
Answer:
The number of adult tickets sold is a=202\ tickets
The number of student tickets sold is c=310\ tickets
Step-by-step explanation:
c------> the number of student tickets sold
a-----> the number of adult tickets sold
we know that
a+c=512 -----> equation A
5c+10a=3,70-----> equation B
therefore
the solution is
the number of adult tickets sold is a= 202 tickets
the number of student tickets sold is c= 310 tickets
