Question 389034
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Hi,         
Let x represent cost of fake fur and y the cost of the leather coat
 Question states ...Write as we Read! (ordering a total of 40 coats)
 25x + 15y = $9300
 10x + 30y = $12600
 -50x - 30y = -$18600  Multiplying @ term in first equation by -2
  -40x = -$6000        Eliminating the y variable
     x = $150, cost of the fake fur

     10x + 30y = $12600
             y = (12600 - 1500)/30 = $370
Cost of splitting the order evenly
  20*150 + 20*380 = 3000 + 7400 = $10,400
Will leave it to you to put the solving technique into Your own words