document.write( "Question 1144592: A company distributes college logo sweatshirts and sells them for $45 each. The total cost function is linear, and the total cost for 80 sweatshirts is $3912, whereas the total cost for 240 sweatshirts is $6952.\r
\n" ); document.write( "\n" ); document.write( "what is the equation for the revenue function?
\n" ); document.write( "What is the equation for the total cost function?
\n" ); document.write( "Find the break even quantity.
\n" ); document.write( "

Algebra.Com's Answer #765747 by ankor@dixie-net.com(22740)\"\" \"About 
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A company distributes college logo sweatshirts and sells them for $45 each.
\n" ); document.write( "let x = no. sold
\n" ); document.write( "then the revenue function
\n" ); document.write( "R(x) = 45x
\n" ); document.write( ":
\n" ); document.write( " The total cost function is linear, and the total cost for 80 sweatshirts is $3912, whereas the total cost for 240 sweatshirts is $6952.
\n" ); document.write( "let b = the fixed cost of making the shirts
\n" ); document.write( "240x + b = 6952
\n" ); document.write( " 80x + b = 3912
\n" ); document.write( "------------------subtraction eliminates b, find x
\n" ); document.write( "160x + 0 = 3040
\n" ); document.write( "x = 3040/16
\n" ); document.write( "x = $19 the cost to make each shirt
\n" ); document.write( ":
\n" ); document.write( "Find the fixed cost
\n" ); document.write( "80(19) + b = 3912
\n" ); document.write( "b = 3912 - 1520
\n" ); document.write( "b = $2392 is the fixed cost.
\n" ); document.write( ":
\n" ); document.write( "what is the equation for the revenue function?:
\n" ); document.write( " R(x) = 45x
\n" ); document.write( "What is the equation for the total cost function?
\n" ); document.write( "C(x) = 19x + 2392
\n" ); document.write( "Find the break even quantity.
\n" ); document.write( "Rev = cost
\n" ); document.write( "45x = 19x + 2392
\n" ); document.write( "45x - 19x = 2392
\n" ); document.write( "26x = 2392
\n" ); document.write( "x = 2392/26
\n" ); document.write( "x = 92 shirts to break even
\n" ); document.write( ":
\n" ); document.write( ":
\n" ); document.write( "Check this with 92 shirts
\n" ); document.write( "92(45) = $4140
\n" ); document.write( "92(19) + 2392 = $4140 also
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