I believe the answer is D.
Answer:
The average amount he paid over 3 days is $15.47.
Step-by-step explanation:
You can see that you're constantly subtracting 8 to get the next number. So, we have





So, as you can see, to get the n-th term we must subtract (n-1) times 8 from the original number.
Answer:
He earn $535.00 in the 5% account
Step-by-step explanation:

I = interest amount
p = $10 700
r = 5%
t = 1 year
I = (10700×5×1)/100
= $535.00
(Correct me if i am wrong)
18 per adult, 9 per child total equals 2,475,00 and the hold of guest is 150