πππππππππA FISHERMAN HAS THREE FISH ONE OF THEM IS A LOBSTER ANOTHER IS A TROUT AND THE LAST IS A SILVERFISH.THE LOBSTER IS TWENTY FEET LONG THE TROUT IS SEVEN FEET SHORTER THAN THE LOBSTER AND THE SILVERFISH IS THIRTY FEET LONGER THAN THE TROUT.HOW LONG IS EVERYTHING ADDED ALL TOGETHER?HAVE FUN ANSWERING THIS EASY QUESTION