40% = 80,000
20% = 40,000
x5 = 100% = 200,000
Answer:
y=-2/3x-1
Step-by-step explanation:
55 = 550
The formula for the vertex of the parabola is -b/a. Plugging this in we get -(-4)/1 or 4.
or 
, since it is in the tenths place.