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Mathematics 8 Online
OpenStudy (danieke):

HELP PLEASE A small publishing company is planning to publish a new book. The production costs will include one-time fixed costs (such as editing) and variable costs (such as printing). The one-time fixed costs will total $34,080 . The variable costs will be $11.75 per book. The publisher will sell the finished product to bookstores at a price of $19.75 per book. How many books must the publisher produce and sell so that the production costs will equal the money from sales?

OpenStudy (a1234):

It seems like your equation would be 34,080 + 11.75x = 19.75x.

OpenStudy (danieke):

So the answer is 19.75?

OpenStudy (a1234):

No. Can you solve the equation for x?

OpenStudy (danieke):

No could you explain how i can get the answer

OpenStudy (a1234):

One way to do it is to use a graphing calculator (or website) and see where the two lines intersect

OpenStudy (danieke):

so i should be solving for x?

OpenStudy (a1234):

Yes.

OpenStudy (a1234):

Or another way to do it (by hand) is to write 34,080 + 11.75x = 19.75x as 34,080 = 8x

OpenStudy (danieke):

is the answer 4260

OpenStudy (a1234):

Yup

OpenStudy (danieke):

Thank you :)

OpenStudy (a1234):

You're welcome

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