document.write( "Question 1131850: At a candy store, Erika bought 3 kilograms of cinnamon red hots and 1 kilogram of gummy bears for $21.00. Meanwhile, Irene bought 3 kilograms of cinnamon red hots and 3 kilograms of gummy bears for $39.00. What is the cost of one kilogram of each type of candy?\r
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Algebra.Com's Answer #748538 by stanbon(75887) ![]() You can put this solution on YOUR website! At a candy store, Erika bought 3 kilograms of cinnamon red hots and 1 kilogram of gummy bears for $21.00. Meanwhile, Irene bought 3 kilograms of cinnamon red hots and 3 kilograms of gummy bears for $39.00. What is the cost of one kilogram of each type of candy? \n" ); document.write( "------------------- \n" ); document.write( "Equations: \n" ); document.write( "3r + 1g = 21.00 \n" ); document.write( "3r + 3g= 39.00 \n" ); document.write( "------------------- \n" ); document.write( "Subtract and solve for \"g\":: \n" ); document.write( "2g = 2.00 \n" ); document.write( "g = $1.00/kg (gummy bear cost) \n" ); document.write( "--------- \n" ); document.write( "Solve for \"r\": \n" ); document.write( "3r + g = 21 \n" ); document.write( "3r + 1 = 21 \n" ); document.write( "r = $20/3 = $6.67/kg (red hot oost) \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |