Answer:
AC = (20+ 10q)
Step-by-step explanation:
Given that,
Total cost, TC = 20q + 10q²
We need to find AC i.e. average cost.
It can be solved as follows :

So, the value of AC is (20+ 10q).
Answer:
Together, the boys ate 5/6 of the sandwich, leaving 1/6 of the sandwich left.
We can solve this problem by using the distance formula. The distance formula is:
We can now put in values and solve.

Answer: around 0.0064
i rounded it to the nearest hundred thousandth because the number will keep going on forever.
The decimal representation of any number is a linear combination of powers of 10. In other words, given a number like 123.456, we can expand it as

for any
, so the above is the same as

Similarly, we can write

Now it's a question of reducing the fraction as much as possible. We have
so
