Answer:
the second one is correct.
Step-by-step explanation:
The answer is x=-y-1
You have to show the Graph
40/60= 0.67 (i.e. 2/3)= about 66.67%
N= numbers
x= x-ray
4 unknown number equal a unknown amount of x-rays mutiplyed but 5-unknow number.
x can stand for anything and so can n