document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=363735>Question 363735</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with these problems, thanks.\r<BR>\n" );
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document.write( "The instruction manual on the industrial oven suggests the oven temperature will increase by 45 degrees Fahrenheit per minute. When the oven is initially turned on, the temperature is 70 degrees Fahrenheit. What will the temperature of the oven be after 7 minutes? Write an expression and explain how you arrived at your answer. \r<BR>\n" );
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document.write( "3.	In your industrial oven, you bake two baking sheets with 12 scones each, two baking sheets with 20 cookies each, and one baking sheet with 2 scones and 10 cookies. \r<BR>\n" );
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document.write( "a.	Write an expression that illustrates the total cost of all baked goods in the scenario above using the variable s to represent the cost of scones, and the variable c to represent the cost of cookies. Simplify your expression by combining like terms. \r<BR>\n" );
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document.write( "b.	Imagine you have decided to price the scones at $2.28 each and the cookies at $1.19 each. How much total revenue would result from selling all the scones and cookies baked in the oven at one time? \r<BR>\n" );
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document.write( "c.	Yesterday your store earned $797.30 just from the sale of cookies. Write and solve an equation that represents how many cookies were sold.\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #259423 by </B><A HREF=/tutors/aboutme.mpl?userid=amoresroy><B>amoresroy(361)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=amoresroy><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=amoresroy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=259423\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let t = time<BR>\n" );
document.write( "    t = 7 mins.<BR>\n" );
document.write( "    x = increase in temperature (degress Fahrenheit) per minute<BR>\n" );
document.write( "    x = 45<BR>\n" );
document.write( "   70 = initial temperature<BR>\n" );
document.write( "    y = temperature after 7 mins.<BR>\n" );
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document.write( "y = 70 + (x*t)<BR>\n" );
document.write( "y = 70 + (45*7)<BR>\n" );
document.write( "y = 70 + 315<BR>\n" );
document.write( "y = 385 degrees Fahrenheit<BR>\n" );
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document.write( "3. <BR>\n" );
document.write( "a.)<BR>\n" );
document.write( "s = cost of scones<BR>\n" );
document.write( "c = cost of cookies<BR>\n" );
document.write( "y = total cost\r<BR>\n" );
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document.write( "Two baking sheets with 12 scones each = 24s\r<BR>\n" );
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document.write( "Two baking sheets with 20 cookies each = 40c\r<BR>\n" );
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document.write( "One baking sheet with two scones and 10 cookies = 2s + 10c\r<BR>\n" );
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document.write( "y = 24s + 40c + 2s + 10c<BR>\n" );
document.write( "y = 26s + 50c<BR>\n" );
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document.write( "b.)\r<BR>\n" );
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document.write( "s = $2.28<BR>\n" );
document.write( "c = $1.19\r<BR>\n" );
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document.write( "Substitute this values to the equation above.\r<BR>\n" );
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document.write( "y = 26*2.28 + 50*1.19<BR>\n" );
document.write( "y = 59.28 + 59.50<BR>\n" );
document.write( "y = 118.78 \r<BR>\n" );
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document.write( "The total revenue would be $118.78<BR>\n" );
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document.write( "c.) <BR>\n" );
document.write( "Let x = number of cookies sold\r<BR>\n" );
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document.write( "total revenue = $797.30\r<BR>\n" );
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document.write( "cookies cost $1.19 each\r<BR>\n" );
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document.write( "we divide $797.30 by $1.19\r<BR>\n" );
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document.write( "x = 797.30/1.19\r<BR>\n" );
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document.write( "x = 670\r<BR>\n" );
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document.write( "670 cookies were sold. </SPAN>\n" );
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