an employee reduces the number of his employees in the ratio 8:7 and decreased their wages in the ratio 7:2. Identify whether the total wages increases or decreases and in what ratio

• decreases 4 : 1
  
  If original employees=8x & wages=7y, then total wages=56xy
  New employees=7x & wages=2y, then total new wages=14xy
  So ratio of total decrease in wages=56xy : 14xy, 4 : 1
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