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The light bulbs you use are on sale. But you only get the lower price if you buy 3 packages of bulbs. You want to know how much you’ll save. Write a formula that will help you determine how much you’ll save by buying 3 packages on sale.

Respuesta :

Lordeability
Let’s let s = sale price per package
r = =regular price per package
c = cost savings.
Answer: c= 3r – 3s

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