Remark
You have to read this carefully to know what way to write it.
One way you could write it would be
20 * x = 18 where x is the fraction. Now all you need do is divide.
Divide both sides by 20
20/20 * x = 18/20

But you should reduce this fraction. The way to do that is to factor 18 and 20 into primes.
18: 2 * 3 * 3
20: 2 * 2 *5
Cancel out the Highest common factor or 2.
You are left with
<<<< Answer
Answer:


Step-by-step explanation:
Marginal average Cost function:

Marginal average Revenue function:

The expression

has two similar pairs of <span>conjunctions.
</span>
1. Rewrite this expression as


and then
2. add the similar <span>conjunctions
</span><span>
</span><span>

.</span><span>
</span><span />
Answer:
He used 30 words
Step-by-step explanation:
(8.40 - 6.00) divided by 0.08 = the number of words
Remember Length x Width x Height just multiply them