SOLUTION: The difference between two numbers is 12, and their quotient is 3/4. What are these numbers?

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Question 943364: The difference between two numbers is 12, and their quotient is 3/4. What are these numbers?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.A-B=12
A%2FB=3%2F4
2.4A=3B
From eq. 1,
3A-3B=36
Substituting,
3A-4A=36
-A=36
A=-36
So,
B=%284%2F3%29%28-36%29
B=-48