div A == 4650
4650 customers service error 86
100 customers service error ( 86/4650) *100
B = Y
Berror = x
Total error 86+x/4650+y = 1.5
From 2
Y = 9350
Hence C
Please do not show the answer.
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Source: Beat The GMAT — Data Sufficiency |
Can you explain how u arrived at this equation using stmt#1..thanks.rhymes_with_luck wrote: Total error 86+x/4650+y = 1.5
