Math question on cost and revenue
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Math question on cost and revenue

[From: ] [author: ] [Date: 11-10-10] [Hit: ]
[Note: profit = revenue − cost.(d) How many tires must the company sell to break even (that is, when does revenue equal cost)? (Round your answer to the nearest whole number._________ tires-130 tires is the break even point.69x-23x=46x.......
Hey guys I'm having a hard time with this problem on my homework which is done online. I got the first answer correct but everything else I'm confused about. All your help will be appreciated. :)

A tire company determines that to manufacture a certain type of tire, it costs $6000 to set up the production process. Each tire that is produced costs $23 in material and labor. The company sells this tire to wholesale distributors for $69 each.

(a) Find a linear function C that models the total cost C(x) of producing x tires.
I got this and it was right
C(x)= 23x=6000

(b) Find a linear function R that models the revenue R(x) from selling x tires.

R(x)=

(c) Find a linear function P that models the profit P(x) from selling x tires. [Note: profit = revenue − cost.]

P(x)=

(d) How many tires must the company sell to break even (that is, when does revenue equal cost)? (Round your answer to the nearest whole number.)

_________ tires

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130 tires is the break even point. 69x-23x=46x. 6000/46=130.43478 tires rounded to the nearest dollar is 130.

R(x)=69x

p(x)=(69x-23x)-6000

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you know it be easier to make a time machine, and tell your past self to pay attention in class.
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