document.write( "Question 107722: On a buying trip in Los Angles, Rosaria Perez ordered 120 pieces of jewelry; a number of bracelets at $4 each and a number of necklaces at $8 each. She wrote a check for $560 to pay for the order. How many bracelets and how many necklaces di Rosaria purchase? \n" ); document.write( "

Algebra.Com's Answer #78476 by josmiceli(19441) $\"\"$ $\"About$

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B = number of bracelets ordered
\n" ); document.write( "N = number of necklaces ordered
\n" ); document.write( " $\"B+%2B+N+=+120\"$ This is given
\n" ); document.write( " $\"B+=+120+-+N\"$
\n" ); document.write( "also
\n" ); document.write( " $\"4B+%2B+8N+=+560\"$ Given
\n" ); document.write( " $\"4%28120+-+N%29+%2B+8N+=+560\"$
\n" ); document.write( " $\"480+-+4N+%2B+8N+=+560\"$
\n" ); document.write( " $\"480+%2B+4N+=+560\"$
\n" ); document.write( " $\"4N+=+80\"$
\n" ); document.write( " $\"N+=+20\"$ answer
\n" ); document.write( " $\"B+=+120+-+N\"$
\n" ); document.write( " $\"B+=+100\"$ answer
\n" ); document.write( "She ordered 20 necklaces and 100 bracelets
\n" ); document.write( "check answers by plugging back into original equations \n" ); document.write( "

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