Answer:
400 children tickets and 600 adult tickets.
Step-by-step explanation:
children tickets in total cost=400x2.50
=1000
adult tickets in total cost=600x5.00
=3000
total cost is 4000
Answer:
+20%
Step-by-step explanation:
None
Answer: r = 1/9
<u>Step-by-step explanation:</u>
y = rx --> 



Answer:
not a fuction
Step-by-step explanation: this line can not pass the line test