document.write( "Question 986163: Given the cost function, C(x), and the revenue function, R(x), find the number of units x that must be sold to break even.\r
\n" ); document.write( "\n" ); document.write( "C(x) = 1.2x + 490
\n" ); document.write( "R(x) = 1.9x\r
\n" ); document.write( "\n" ); document.write( "a another example of a pretest coming up can you help me solve this step by step
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Algebra.Com's Answer #606965 by Boreal(15235)\"\" \"About 
You can put this solution on YOUR website!
Breakeven means they are equal
\n" ); document.write( "1.2x + 490=1.9x
\n" ); document.write( "0.7 x=490
\n" ); document.write( "x=700 units
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\n" ); document.write( "check
\n" ); document.write( "1.2(700)+490=$1330 cost.
\n" ); document.write( "1.9(700)=$1330 revenue.
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