document.write( "Question 281111: an artist makes three types of ceramic statues at a monthly cost of $650 for 180 statues. The manufacturing costs for the three types are $5,$4, and $3. If the statues sell for $20,$12, and $9,respectively, how many of each type should be made to produce $2,100 in monthly revenue? \n" ); document.write( "
Algebra.Com's Answer #204214 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "we have three unknowns and so need three equations \n" ); document.write( "for costs \n" ); document.write( "x+y+z=180 \n" ); document.write( "5x+4y+3z=650 \n" ); document.write( "for revenue \n" ); document.write( "20x+12y+9z=2100 \n" ); document.write( "x+y+z=180 \n" ); document.write( "5x+4y+3z=650 \n" ); document.write( "x=30 \n" ); document.write( "y=50 \n" ); document.write( "z=100\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |