Answer:
5.21666667
Step-by-step explanation:
yopu do the total bill divided by 3
9514 1404 393
Answer:
B) f(x) = 3
Step-by-step explanation:
The value in the f(x) column is always 3, so the only reasonable choice is ...
f(x) = 3
The answer is 7.5 liters that should of evaporated
If one number is 8/15, you take the difference which 7/15.
Let

be any integer. Then

In other words:
(1) If

is a multiple of 4, then

.
(2) If dividing

by 4 leaves a remainder of 1, then

, since

for some integer

, and from (1) we know that

(because, obviously,

is a multiple of 4).
(3) If instead you get a remainder of 2, then

. This follows from (1) as well.

.
(4) Finally, if you get a remainder of 3, then

.