question: Given a 7-day week, how much does Alex charge for 2 weeks of tutoring if she charges $12 per day?
answer: A week has 7 days, therefore 2 weeks have 2*7= <<2*7=14>>14 days
  If Alex charges $12 per day, then in $14 days she would charge $12*14 = $<<12*14=168>>168
  #### 168