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Jennifer is shopping with her mother. They pay $2 per pound of tomatoes.
a. Find the constant of proportionality in this situation.
b. Write an equation to represent the relationship.
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Answer:

The constant of proportionality is 2

The equation is y=2x

Step-by-step explanation:

The unit price or unit rate is $2

Let y represent the price of tomatoes, then the price of x tomatoes is

[tex]y=2x[/tex] dollars.

This represents a direct variation.

This equation is of the form [tex]y=kx[/tex], where k=2 is the constant of proportionality.

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