Answer:
1/3
Step-by-step explanation:
Range=x maximum (xm) –x minimum (x0)
xm=20+20=40
Coefficient of Range= xm–x0/xm+x0
=40-20/40+20
=20/60
=2/6
=1/3
2.5
y = 2/5*x + 2 = 0.4x + 2
2/5*x - y + 2 = 0
1) 2*x - 5*y + 10 = 0
2/5*x - y = -2
-1/5*x + 1/2*y = 1
2) x/(-5) + y/2 = 1
<u>Given expression: </u>
<u>Simplify:</u>
<u>The answer choices:</u>
805.92