help it is due today and not links or files of downloads of anything like that just type in your answer plz and thank u :)

Answer:
b=$65
Step-by-step explanation:
From question:
Four friends went out to dinner
Decided to equally split the bill
Each paid 16.25
(a)Total amount = b
Average amount paid by 4 friends =16.25
b = Average amount*total number of friends
= 16.25 * 4
(b) b= 4*16.25
=65