Answer:

Step-by-step explanation:

This what you can do unless you are solving for either variable.
I am joyous to assist you anytime.
Answer:
she has 3/4 of the material left or 75%
Why not? Because every math system you've ever worked with has obeyed these properties! You have never dealt with a system where a×b did not in fact equal b×a, for instance, or where (a×b)×c did not equal a×(b×c). Which is why the properties probably seem somewhat pointless to you. Don't worry about their "relevance" for now; just make sure you can keep the properties straight so you can pass the next test. The lesson below explains how I kept track of the properties.
Answer:
The answer is c
Step-by-step explanation: