Answer:
20%
Step-by-step explanation:
decreased score= 80-64 = 16
x% of 80 = 16
x=20
First equation is: x - y = 12
x = 12 + y
Now, substitute this in 2nd equation,
2x - 3y = 27
2(12+y) - 3y = 27
24 + 2y - 3y = 27
-y = 27 - 24
y = -3
In short, Your Answer would be -3
Hope this helps!
Answer:
8
Step-by-step explanation:
-12u and 12u cancel each other out. Leaving 8 by itself.
2/3
4/6
6/9
8/12
i hope this helps..
