document.write( "Question 726145: A catering company needs to provide 10 lbs of mixed nuts for a wedding reception. The couple has budgeted $42 for nuts. Peanuts cost $3.00/ lb and cashews cost $7.00/ lb. how many pounds each of peanuts and cashews should the catering company combine? \n" ); document.write( "
Algebra.Com's Answer #444494 by checkley79(3341)\"\" \"About 
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7x+3(10-x)=42
\n" ); document.write( "7x+30-3x=42
\n" ); document.write( "4x=42-30
\n" ); document.write( "4x=12
\n" ); document.write( "x=12/4
\n" ); document.write( "x=3 pounds of cashews are used.
\n" ); document.write( "10-3=7 pounds of peanut are used.
\n" ); document.write( "proof:
\n" ); document.write( "7*3+3*7=42
\n" ); document.write( "21+21=42
\n" ); document.write( "42=42
\n" ); document.write( "
\n" );