Answer:
its 23
Step-by-step explanation:
2/5 = 40%
3/10= 30%
1/2= 50%
1/10= 10%
so it's 1/2
Percent of change will always be positive because the change is an absolute value. As we know, absolute value is always a positive value because you don't pay attention to the direction, only the distance is important.
