document.write( "Question 948185: you spent $4 on seven pounds of rice and cereal. Rice costs $0.55 per pound and cereal costs $.70 per pound. How many pounds of rice did you buy? \n" ); document.write( "
Algebra.Com's Answer #578681 by lwsshak3(11628)\"\" \"About 
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you spent $4 on seven pounds of rice and cereal. Rice costs $0.55 per pound and cereal costs $.70 per pound. How many pounds of rice did you buy?
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\n" ); document.write( "let x=amt of rice bought
\n" ); document.write( "7-x=amt of cereal bought
\n" ); document.write( "..
\n" ); document.write( ".55x+.70(7-x)=4.00
\n" ); document.write( ".55x+4.9-.70x=4
\n" ); document.write( ".15x=.90
\n" ); document.write( "x=6
\n" ); document.write( "How many pounds of rice did you buy? 6
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