Write the situation for the relationship "y = 2x - 5." a.) marcus works out at the gym for half as many minutes as he spent eating lunch minus five minutes. how long does marcus workout at the gym? b.) filo earns $2 per hour, but he buys lunch for $5. how much money does he have left? c.) filo's allowance is twice rachel's allowance less than $5. what is filo's allowance? d.) at the mall, pena buys two cds and spent $5 on lunch. how much money does she have left?