document.write( "Question 812011: Please help me solve this word problem? I am not sure where to start with this.
\n" ); document.write( "A certain brand of razor blades comes in packages of 6, 12, 24 blades, costing $2, $3, and $4 per package, respectively. A store sold 12 packages containing a total of 162 razors blades and took in $35. How many packages of each type were sold? \n" ); document.write( "
Algebra.Com's Answer #488983 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
call the packages a b and c
\n" ); document.write( "costs 2a+3b+4c=35,
\n" ); document.write( "packages a+b+c=12,
\n" ); document.write( "blades 6a+12b+24c=162
\n" ); document.write( "a = 5, b = 3, c = 4
\n" ); document.write( "check
\n" ); document.write( "2*5+3*3+4*4=35
\n" ); document.write( "10+9+16=35
\n" ); document.write( "35=35
\n" ); document.write( "ok
\n" ); document.write( "check
\n" ); document.write( "5+3+4=12
\n" ); document.write( "12=12
\n" ); document.write( "ok
\n" ); document.write( "check
\n" ); document.write( "5*6+12*3+24*4=162
\n" ); document.write( "3+36+96=162
\n" ); document.write( "66+96=162
\n" ); document.write( "162=162
\n" ); document.write( "ok\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
\n" );