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College algebra

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a company finds it can produce 15 heaters for $4300, while producing 20 heaters costs $5500. Express y, as a linear function of the number of heaters, y. Determine the cost to produce 30 heaters.

y = _________

Cost to produce 30 heaters $_________

Help I'm not sure how to solve this problem. Thank you

  • College algebra -


    subtract the first from the second
    m= you solve it. THen put it in either equation, and solve for b.

  • College algebra -

    Thank you so much. I can't believe it was so simple..:):)

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