A -3

-2

-1

0

1

2

3

b

0.75

0.5

0.25

0

-0.25

-0.5

-0.75

The proportionality constant for a ∝ b is

choice b is correct

step-by-step explanation:

we have been given the following system of linear inequalities;

we are required to graphically determine the solution to these system of inequalities. using a graphing tool, the solution is as shown in the attachment below;

x = -2

y = 848

step-by-step explanation:

plug in the numbers

if you're trying to figure out how much each ounce cost it would be 0.20

cents each ounce