document.write( "Question 30444: ANASTACIA HAS A CHOICE BETWEEN TWO CELL PHONE PLANS, ONE PLAN HAS UNLIMITED MINUTES FOR A FLAT FEE OF $60 PER MONTH. THE OTHER PLAN IS $15 PER MONTH PLUS 30 CENTS. ANASTACIA CHOOSES THE PLAN WITH THE FLAT FEE OF $60 PER MONTH SO HOW MANY MINUTES DOES ANASTACIA PLAN ON USING HER PHONE EVERY MONTH? \n" ); document.write( "
Algebra.Com's Answer #17096 by mbarugel(146)![]() ![]() ![]() You can put this solution on YOUR website! Let's call X to the number of minutes Anastacia plans to use. If Anastacia takes the other plan, then the total fee she will pay is \n" ); document.write( "\n" ); document.write( "Anastacia has chosen the $60 flat fee plan. That is because she expected this plan to be cheaper then the other one. So we have the inequality: \n" ); document.write( " \n" ); document.write( "So, solving for X, \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "We conclude that she is planning to use more then 150 minutes. If she planned to use less than that, then she should have chosen the non-flat plan \n" ); document.write( " \n" ); document.write( " |