Answer:



Step-by-step explanation:
We are given the following recursive formula:

And consider 
a2

a3

a4

Answer: The solution of x is 2.5
Step-by-step explanation: hope it helps:)
Answer:
$0.21
Step-by-step explanation:
We can set up a proportion. Say x is the cost of 1 wristband:

Now, we cross multiply:
25x = 5.25
Solving for x, we see that x = 0.21.
Thus, the answer is $0.21.
Answer:
What kind of question is it?