document.write( "Question 1105801: kaitlin makes $8 an hour working x hours at the grocery store and $6 an hour working y hours at the deli. she wants to earn at least $80 a week, but she can only work a maximum of 20 hours. write a system of inequalities and graph the system to show the possible numbers of hours that she can work at each job \n" ); document.write( "

Algebra.Com's Answer #720705 by ikleyn(52932) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( " X +  Y <= 20,    (1)\r\n" );
document.write( "8X + 6Y >= 80.    (2)\r\n" );
document.write( "X >= 0,  Y >= 0   (3)\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "The plot is below:\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Plots x + y = 20 (red)  and  8x + 6y = 80 (green)\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "The solution to the system of inequalities (1),(2) and (3) is the region in QI in the form of a quadrilateral confined \r\n" );
document.write( "between the red and the green lines (including the lines).\r\n" );
document.write( "

\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );