document.write( "Question 800813: a hot dog and a soda cost $2.25 and two hotdogs and three sodas cost $5.25 find the cost of a hot dog and soda \n" ); document.write( "
Algebra.Com's Answer #483269 by stanbon(75887) ![]() You can put this solution on YOUR website! a hot dog and a soda cost $2.25 and two hotdogs and three sodas cost $5.25 find the cost of a hot dog and soda \n" ); document.write( "------ \n" ); document.write( "Equations: \n" ); document.write( "d + s = 225 cents \n" ); document.write( "2d+3s = 525 cents \n" ); document.write( "------------------------ \n" ); document.write( "Modify for elimination:: \n" ); document.write( "2d + 2s = 450 \n" ); document.write( "2d + 3s = 525 \n" ); document.write( "----- \n" ); document.write( "Subtract and solve for \"s\": \n" ); document.write( "s = 75 cents (cost of one soda) \n" ); document.write( "----- \n" ); document.write( "Solve for \"d\":: \n" ); document.write( "d + s = 225 \n" ); document.write( "d + 75 = 225 \n" ); document.write( "d = 150 cents (cost of one hot dog) \n" ); document.write( "--------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-------------- \n" ); document.write( " |