Answer:
Step-by-step explanation:
y = 25x +100
y- is the total money spent on the phone 
x-is the number of months you had service
the relationship between x and y is proportional ( if x grows, y grows)
For example: after 2 months you would had payed $100 for the phone + the $25 each of the 2 months. y= 25*2 +100 = $150
 
        
             
        
        
        
Answer:
300
Step-by-step explanation:
 
        
                    
             
        
        
        
If you take 230 subtract from 180 you will get 50 so the price for adult tickets are $50
        
             
        
        
        
Answer:
w=-8
Step-by-step explanation:
1. add 6 to -10 (-4)
2. multilpy by 2 (-8)
 
        
             
        
        
        
The average daily cost is $7.02.
 
to get the average cost you add up all the prices
 7.75
 7.75
 6.30
 6.30
+7.00
35.10
then you divide that by the amount of numbers you have
35.10 / 5=7.02
 
then there's your answer.