Number of female employees = 625 Number of male employees = 625 Total employees = 625 + 625 = 1250 Average calls received by 1250 employees = 74 The sum of calls received by 1250 employees = 1250 x 74 Average calls received by 625 male employees = 74 The sum of calls received by 625 male employees = 625 x 74 Sum of calls received by 625 female employees = 1250 x 74-625 x 74 = 74 (1250-625) = 74 x 625 Average calls received by 625 female employees = (74 x 625) /625 = 74
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