Answer:
The fraction will decrease 
Step-by-step explanation:
Let
x/y ----> the fraction
we know that
100%-50^=50%=50/100=0.50
100%-25%=75%=75/100=0.75
substitute

therefore
The percent that the fraction will decrease is equal to

Answer:
B. 3/9 = 4/12 = 1/3
Step-by-step explanation:
I calculated it logically
Answer:
7
Step-by-step explanation:
-6+13 is the same as 13-6
$100?
100+80=180
180-23=157
157-90=67
Hope this helps !
The equations would cancel each other out, so the answer would be infinitely many.