Answer:
45%
Step-by-step explanation:
i am not that sure but when i calculated it, i got this answer.
We write to expressions since there are two unknown here which is x and y. The first expression is the <span>sum of two numbers, x and y, is 12.
x + y = 12
The second expression is that the </span><span>difference of x and two times y is 6.
x -2y = 6
Therefore, the values of x and y are 10 and 2.</span>
No, becuase c has to be a certain number to equal 15