In a recent year, companies spent a total of $88.9 billion on newspaper, television, and radio ads. the total amount spent on television and radio ads was only $3.1 billion more than the amount spent on newspaper ads alone. the amount spent on newspaper ads was $5.4 billion more than what was spent on television ads. how much was spent on each form of advertising? (hint: let the variables represent numbers of billions of dollars.) how much was spent on newspaper ads? $ nothing billion how much was spent on television ads? $ nothing billion how much was spent on radio ads? $ nothing billion