document.write( "Question 1174381: Cost, Revenue & Profit
\n" ); document.write( "For these problems, x will represent the number of items and y will represent the money.\r
\n" ); document.write( "\n" ); document.write( "The fixed costs for a certain item are $165 per week. The cost to produce each item is $3 per item.\r
\n" ); document.write( "\n" ); document.write( "Using this information, what is the cost equation? Give your answer in slope-intercept form:
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\n" ); document.write( "\n" ); document.write( "The retailer intends to sell each item for $10/item.\r
\n" ); document.write( "\n" ); document.write( "Using this information, what is the revenue equation? Give your answer in slope-intercept form:
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\n" ); document.write( "\n" ); document.write( "If in this week 28 items are made, and all items are sold in the week, what are the total costs to the retailer?
\n" ); document.write( "Cost = $\r
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\n" ); document.write( "\n" ); document.write( "What is the revenue from selling 28 items?
\n" ); document.write( "Revenue = $\r
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\n" ); document.write( "\n" ); document.write( "Finally, what is the profit for this retailer?
\n" ); document.write( "Profit = $\r
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\n" ); document.write( "\n" ); document.write( "Box 1 & 2: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
\n" ); document.write( "Be sure your variables match those in the question.
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Algebra.Com's Answer #850693 by CPhill(1959)\"\" \"About 
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Here's how to solve the problems:\r
\n" ); document.write( "\n" ); document.write( "**1. Cost Equation**\r
\n" ); document.write( "\n" ); document.write( "* Fixed costs: $165
\n" ); document.write( "* Variable cost per item: $3
\n" ); document.write( "* Cost equation: y = 3x + 165\r
\n" ); document.write( "\n" ); document.write( "**2. Revenue Equation**\r
\n" ); document.write( "\n" ); document.write( "* Selling price per item: $10
\n" ); document.write( "* Revenue equation: y = 10x\r
\n" ); document.write( "\n" ); document.write( "**3. Total Costs for 28 Items**\r
\n" ); document.write( "\n" ); document.write( "* Total costs = 165 + (3 * 28) = 165 + 84 = $249\r
\n" ); document.write( "\n" ); document.write( "**4. Revenue from Selling 28 Items**\r
\n" ); document.write( "\n" ); document.write( "* Revenue = 10 * 28 = $280\r
\n" ); document.write( "\n" ); document.write( "**5. Profit**\r
\n" ); document.write( "\n" ); document.write( "* Profit = Revenue - Total Costs = 280 - 249 = $31\r
\n" ); document.write( "\n" ); document.write( "**Answers:**\r
\n" ); document.write( "\n" ); document.write( "* Cost equation: 3x + 165
\n" ); document.write( "* Revenue equation: 10x
\n" ); document.write( "* Cost = $249
\n" ); document.write( "* Revenue = $280
\n" ); document.write( "* Profit = $31
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