document.write( "Question 179552: Don was setting up two aquariums in his new office.At the pet store,salt water fish were priced ar $2 each and fresh water fish were priced at $3 each.He bought some of each kind and paid $31 for a total of 13 fish.How many freah water fish did he buy? \n" ); document.write( "
Algebra.Com's Answer #134492 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! Let x = fresh water fish bought \n" ); document.write( "then \n" ); document.write( "13-x = salt water fish bought \n" ); document.write( ". \n" ); document.write( "3x + 2(13-x) = 31 \n" ); document.write( "3x + 26 - 2x = 31 \n" ); document.write( "x + 26 = 31 \n" ); document.write( "x = 5 \n" ); document.write( "He bought 5 fresh water fishes. \n" ); document.write( " \n" ); document.write( " |