The answer is a. If there is an i in the equation, then that means “i” is imaginary.
Constant Proportionality: 20x + 30x
He will have 31,500
C.
The 520 is the new thing added to the equation, which makes it equal to the new weight room's size.

<h2>
Explanation:</h2>
in this problem we have the following expression:

So here:

Let's convert them as improper fractions:

Rewriting our expression:

<h2>Learn more:</h2>
Simplify: brainly.com/question/10644722
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Answer:
12 cakes
Step-by-step explanation:
If alice decorates 8 cakes in five hours they just multiplied the amount by 2 so you just need to multiply 6 by 2 and you will have the awnser of 12 cakes!