Shipping rates for Company A and Company B are shown in the tables below. Which company has shipping rates that you can represent using an equation of the form y = kx? Use the drop-down menus to show your answer. PLZ HELP

Company B; the ratios of cost to weight are equivalent.

Step-by-step explanation:

Step 1:

In the equation, k is the constant of proportionality.

If the values are in accordance with , the values of k will be constant for all the values.

So we determine the values of k for both the companies and see which has a constant k.

If . In these tables, y is the total cost and x is the weight in lbs.

Step 2:

For company A,

when

when

when

For company B,

when

when

when

So company B has a constant value of .