The cost of one ticket will be £8.20
<em><u>Explanation</u></em>
Suppose, the cost of one ticket is 
As the offer says "buy 3 tickets and get a ticket free" , it means <u>they actually need to pay for 3 tickets</u>.
So, the total cost of 3 tickets 
Each of four friends pay £6.15 , so the <u>total amount they pay</u> 
Thus, the equation will be .....

So, the cost of one ticket will be £8.20
D because if you multiply y 8 times it will no longer be doubling the area
Answer:
I hope it helped u.
Step-by-step explanation:
Answer: get the 25 fl .oz because it obviously cheaper than the a fl oz
Step-by-step explanation:because i would not pay $7.00 for a fl .oz
when u can just get 25 fl oz for $4.00
so just get the 25 its cheaper