document.write( "Question 400257: we are learning 2 variable word problems, and usually math is easy for me, but for some reason this just isn't sticking in my head right.
\n" ); document.write( "i need help with this problem, \"at dive movie theater, 2 bags of popcorn & 3 bags of potato chips cost $1.80. 3 bags of popcorn and 2 bags of potato chips cost $1.70.
\n" ); document.write( "What is the cost of one bag of popcorn?
\n" ); document.write( "what is the cost of one bag of potato chips?\r
\n" ); document.write( "\n" ); document.write( "here is what i have figured out so far\r
\n" ); document.write( "\n" ); document.write( "3p+2c=1.70 → 2(3p+2c=1.70) → 6p+4c=3.40\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " 3p+2p=1.70
\n" ); document.write( "2p+3c=1.80 → -3(2p+3c=1.80) → -6p-9c=-5.40
\n" ); document.write( " -----------
\n" ); document.write( " -3p-7c=-3.70\r
\n" ); document.write( "\n" ); document.write( "but i honestly have NO idea what to do from here, any help?(: \n" ); document.write( "

Algebra.Com's Answer #283377 by scott8148(6628) $\"\"$ $\"About$

You can put this solution on YOUR website!
adding together the two equations that you generated eliminates the p terms, giving ___ -5c = -2.00\r
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\n" ); document.write( "\n" ); document.write( "substitute the c value back to any of the equations to find p \n" ); document.write( "

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