i'm guessing this is asking what percentage it went up by? if so it went up by 190.47 percent. ***400,000 / 210,000 = 1.9047619***
Answer:
0
Step-by-step explanation:

Changing x to y and y to x:

I hope I helped you.
Answer:
y=1/2x-1
Step-by-step explanation:
-4y=4-2x
4y=4-2x
y=-1+1/2x
y=1/2x-1
X+1 Hours, because Zavier begins work an hour earlier than Abigail.