document.write( "Question 696897: three pretzels and one cup of soda costs $2.75. two pretzels and one cup of soda costs $2.00. find the cost of a pretzel and the cost of a cup of soda. \n" ); document.write( "
Algebra.Com's Answer #429446 by stanbon(75887) ![]() You can put this solution on YOUR website! three pretzels and one cup of soda costs $2.75. two pretzels and one cup of soda costs $2.00. find the cost of a pretzel and the cost of a cup of soda. \n" ); document.write( "----- \n" ); document.write( "Equations: \n" ); document.write( "3p + s = 275 cents \n" ); document.write( "2p + s = 200 cents \n" ); document.write( "------------------- \n" ); document.write( "Subtract and solve for \"p\": \n" ); document.write( "p = 75 cents (cost of one pretzel) \n" ); document.write( "--------- \n" ); document.write( "Solve for \"s\": \n" ); document.write( "2p + s = 200 \n" ); document.write( "2*75+s = 200 \n" ); document.write( "s = 50 cents (cost of one soda) \n" ); document.write( "================================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |