document.write( "Question 1096495: The manager of a fish store has water that is 10% salt and the other water that is 25%. He needs to fill an aquarium with 10 gallons of water that is 20%. what is the answer? \n" ); document.write( "
Algebra.Com's Answer #710930 by Alan3354(69443) You can put this solution on YOUR website! The manager of a fish store has water that is 10% salt and the other water that is 25%. He needs to fill an aquarium with 10 gallons of water that is 20%. what is the answer? \n" ); document.write( "===================================\r \n" ); document.write( "\n" ); document.write( "Depends on the question. \n" ); document.write( "Here's a similar problem. \n" ); document.write( "Same problem, different numbers, actually. \n" ); document.write( "------- \n" ); document.write( "A scientist mixes water (containing no salt) with a solution that contains \n" ); document.write( " 40% salt. She wants to obtain 200 ounces of a mixture that is 5% salt. How many ounces of water and how many ounces of the 40% salt solution should she use \n" ); document.write( " --------------- \n" ); document.write( " W = Water \n" ); document.write( " S = 40% salt (if available) \n" ); document.write( " ------------- \n" ); document.write( " W + S = 200 \n" ); document.write( " W*0 + S*40 = (W+S)*5 \n" ); document.write( " 40S = 5W + 5S \n" ); document.write( " 5W = 35S \n" ); document.write( " W = 200-S \n" ); document.write( " 5(200-S) = 35S \n" ); document.write( " 1000 - 5S = 35S \n" ); document.write( " 40S = 1000 \n" ); document.write( " S = 25 \n" ); document.write( " |