document.write( "Question 458275: how do i find the system of equations to this problem: julia went to the movies and bought one jumbo popcorn and two chocolate chip cookies for $5. marvin went to the same movie and bought one jumbo popcorn and four chocolate chip cookies for $6.How much does on chocolate chip cookie cost?
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document.write( "PLEASE HELP!!!! \n" );
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Algebra.Com's Answer #314400 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Jumbo Popcorn x \n" ); document.write( "choclate chips y \n" ); document.write( " \n" ); document.write( "x+2y=5 .............1 \n" ); document.write( "x+4y=6 .............2 \n" ); document.write( " \n" ); document.write( "multiply (1)by -2 \n" ); document.write( "Multiply (2) by 1 \n" ); document.write( "-2x-4y=-10 \n" ); document.write( "1x+4y= 6 \n" ); document.write( "Add the two equations \n" ); document.write( "-x=-4 \n" ); document.write( "x=4 Jumbo Popcorn \n" ); document.write( "plug value of x in (1) \n" ); document.write( "4+2y=5 \n" ); document.write( "4+2y= 5 \n" ); document.write( "y=5-4 \n" ); document.write( "y=0.5 choclate chips \n" ); document.write( " \n" ); document.write( " |