document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1076603>Question 1076603</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A gas station sells a total of 4500 gallons of regular gas and premium gas in one day. The ratio of gallons of regular gas sold to gallons of premium gas sold is 7 : 2.\r<BR>\n" );
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document.write( "a. Write a system of linear equations that represents this situation.\r<BR>\n" );
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document.write( "b. How many gallons sold were regular gas? premium gas? </SPAN>\n" );
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document.write( "A gas station sells a total of 4500 gallons of regular gas and premium gas in one day. The ratio of gallons of regular gas sold to gallons of premium gas sold is 7 : 2.\r<BR>\n" );
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document.write( "a. Write a system of linear equations that represents this situation.\r<BR>\n" );
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document.write( "b. How many gallons sold were regular gas? premium gas?<BR>\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">Let multiplicative factor be x<BR>\n" );
document.write( "Then amount of regular sold was: 7x<BR>\n" );
document.write( "Amount of premium sold was: 2x<BR>\n" );
document.write( "We then get: 7x + 2x = 4,500<BR>\n" );
document.write( "Solve this for x, and the multiply that value by 7 to get the amount of regular thatw's sold.<BR>\n" );
document.write( "Multiply the value for x by 2 to get the amount of premium thatw's sold.\r<BR>\n" );
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document.write( "<b><u>OR</b></u>\r<BR>\n" );
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document.write( "Amount of regular sold: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%281%2C7%2C+7%2F%287+%2B+2%29%2C+%22%2A%22%2C++%224%2C500%22%2C+or%2C+%287%29%2F%289%29%2C+%22%2A%22%2C+%224%2C500%22%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Amount of premium sold: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%281%2C7%2C+2%2F%287+%2B+2%29%2C+%22%2A%22%2C++%224%2C500%22%2C+or%2C+%282%29%2F%289%29%2C+%22%2A%22%2C+%224%2C500%22%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Either way, you should get: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28matrix%282%2C4%2C+%223%2C500%22%2C+gallons%2C+of%2C+regular%2C+%221%2C000%22%2C+gallons%2C+of%2C+premium%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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