What is the difference between average number of linen shirts sold by stores D and E together and average number of cotton shirts sold by the same stores together

  • 2920
  • 2880
  • 2940
  • 3140
  • 3060
  • Explanation:

    The number of shirts (linen and cotton) sold by store D 

    =84000×12/100=10080

    the number of linen shirts sold by store D

    10080×5/8=6300

    The number of cotton shirts sold by store D

    = 10800-6300=3780

    The number of shirts (linen and cotton) sold by store

    E = 84000×28/100= 23520

    The number of linen shirts sold by sotre E

    =23520×4/7=13440

    The number of cotton shirts sold by store E

    =23520-13440

    =10080

    ∴ Required difference 

    =6300+13440/2-3780+10080/2

    =9870-6930

    2940

What is the difference between average number of linen shirts sold by stores D and E together and av
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