document.write( "Question 218869: A bakery wants to make a dessert out of chocolate and almonds. If the cost of chocolate is $.75 a pound, and almonds is $.50 a pound, then how many pounds of chocolate should be used to make 30 pounds of the dessert that costs the bakery $.65 a pound? \n" ); document.write( "
Algebra.Com's Answer #164741 by RAY100(1637)![]() ![]() ![]() You can put this solution on YOUR website! Let a = amt of almonds,,,,,and c= amt of chocolate,,,,,in #'s \n" ); document.write( ". \n" ); document.write( "a+c=30,,,a=30-c \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ".75*c + .50*a =.65 * 30,,,,,subst \n" ); document.write( ". \n" ); document.write( ".75c +.5(30-c) = .65*30 \n" ); document.write( ". \n" ); document.write( ".75c +15 -.5c = 19.5 \n" ); document.write( ". \n" ); document.write( ".25c =4.5 \n" ); document.write( ". \n" ); document.write( "c=18 #,,,,,a=30-18=12 # \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "check,,,,.75(18) +.5(12) =.65*30 \n" ); document.write( ". \n" ); document.write( " 13.5 + 6 = 19.5,,,,ok \n" ); document.write( " |