document.write( "Question 1112071: Fifteen pounds of trail mix are made by mixing 3 pounds of raisins worth $6 per pound with peanuts worth $3 per pound and chocolate coated candles worth $4 per pound how many pounds of peanuts must be used if the mixture is to be worth $4.20 per pound \n" ); document.write( "
Algebra.Com's Answer #727109 by ikleyn(52787)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Fifteen pounds of trail mix are made by mixing 3 pounds of raisins worth $6 per pound with peanuts worth $3 per pound \n" ); document.write( "and chocolate coated \n" ); document.write( "~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " ? ? ? Candles ? ? ? Do you mean \"candies\" ? ? ? \n" ); document.write( " -------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The way to solve this problem is to write AN EQUATION saying that the cost of ingredients is equal to the cost of the product.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "Let x = the amount of peanuts to be used (in pounds), which is under the question.\r\n" ); document.write( "\r\n" ); document.write( "Since the amount of raisin is just given (3 pounds), then the amount of the candies must be (15-3-x) = (12-x) pounds.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "The cost of the ingredients is 6*3 dollars for 3 pounds of raisin \r\n" ); document.write( "\r\n" ); document.write( " 3*x dollars for x pounds of peanuts, and\r\n" ); document.write( "\r\n" ); document.write( " 4*(12-x) dollars for candiess.\r\n" ); document.write( "\r\n" ); document.write( "So the input costs 6*3 + 3x + 4*(12-x) dollars.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "The product must cost 4.20*15 dollars.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "So, \"money\" equation is\r\n" ); document.write( "\r\n" ); document.write( "6*3 + 3x + 4*(12-x) = 4.20*15\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Simplify and solve for x step by step \r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "18 + 3x + 48 - 4x = 63\r\n" ); document.write( "\r\n" ); document.write( "-x = 63 - 18 - 48 = -3 ====> x = 3.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Answer. 3 pounds of peanuts must be mixed.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "--------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "P.S. Although English is my second language, I am still able to make a distinguish between \"candles\" and \"candies\".\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |