document.write( "Question 476654: In June ,Katherine bought 21 cans of food and 3 bags of liter for a total of $42 .in July she spent $60 on 32 cans of food and 4 bags of liters .What is the cost of one bag of liter? \n" ); document.write( "
Algebra.Com's Answer #326836 by jorel1380(3719)\"\" \"About 
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21n+3p=42
\n" ); document.write( "32n+4p=60
\n" ); document.write( "84n+12p=168
\n" ); document.write( "96n+12p=180
\n" ); document.write( "12n=12
\n" ); document.write( "n=1
\n" ); document.write( "p=7
\n" ); document.write( "One bag of litter costs $7..
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