THE ANSWER TO X IS 14
1-3x+15
-3x=12/3=4
2-5x-45
+5=50/5=10
3-4+10=14
So (a) stands for adult and (c) is for child.
10a+5c=1200(total cost)
a+c=170(for tickets sold)
There are 70 adult tickets and 100 child tickets.
Z is inversely proportional to X is the same as
z is directly proportional to 1/X
which can be written like this:-
y=k/X
________
0.5=k/6
0.5*6=k/6*6
k=3 ;
________
z = 3/14
Z = 0.2
The measure of ZAEC is 90 degrees !
Explanation; i just had this assignment
