Answers

1. Answer:

   $6.07/hr. if I understand the question properly.  See below.

   Step-by-step explanation:

   I don’t see the question, but will assume we want to find Larisa’s base pay.  The $7/hr given is the average for the work sequence noted in the problem.  If this is incorrect, ignore the answer.

   ==================================

   Let x be Larisa’s base salary.  We are told, I think, that in one stretch of time Larisa earned an average of $7/hour.  That was composed of:

   Hours  Rate($/hr)

     40           x

       3        1.5x

       6         2x

     49

   Her total income over this period would be:

   40x +3(1.5x) + 6(2x)  [The hours worked times the pay rate for each period]

   Her average income per hour would be:

   (40x +3(1.5x) + 6(2x))/49

   which we are told is $7/hr.

   (40x +3(1.5x) + 6(2x))/49 = 7

   40x + 4.5x + 12x = 343

   56.5x = 343

   x = $6.07/hr

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