Question 851761
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Hi,
Let x represent coworker's paycheck 
Question States*** Note: 30% less is the same as being paid 70% of coworkers
 x + .70x = 800
  1.70x = 800
      x = 800/1.70 = $470.59,coworker's paycheck. the other is  $329.41
CHECKING our answer***
$470.59 + $329.41 = $800
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