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Re: The annual profit or loss for the three divisions of Company T for the [#permalink]
Expert Reply
Bunuel wrote:

The annual profit or loss for the three divisions of Company T for the years 1991 through 1995 are summarized in the table shown, where losses are enclosed in parentheses. For which division and which three consecutive years shown was the division's profit or loss for the three-year period closest to $0 ?


A. Division A for 1991–1993
B. Division A for 1992–1994
C. Division B for 1991–1993
D. Division B for 1993–1995
E. Division C for 1992–1994


Attachment:
shot22.jpg


Let’s analyze the answer choices.

A. Division A for 1991–1993

Profit (or loss) = 1.1 - 3.4 + 1.9 = (0.4)

B. Division A for 1992–1994

Profit (or loss) = -3.4 + 1.9 + 2.0 = 0.5

C. Division B for 1991–1993

Profit (or loss) = -2.3 + 5.5 - 4.5 = (1.3)

D. Division B for 1993–1995

Profit (or loss) = -4.5 + 3.9 - 2.9 = (3.5)

E. Division C for 1992–1994

Profit (or loss) = -6.6 + 5.3 + 1.1 = (0.2)

Answer: E
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Re: The annual profit or loss for the three divisions of Company T for the [#permalink]
2
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Just to make it a little simple, took it in multiples of 10.

Option A : 11 - 34 + 19 = 4
Option B : -34 + 19 + 20 = 5
Option C : 23 − 55 + 45 = 13
Option D : −45 + 39 −29 = - 35
Option E : −66 + 53 + 11 = -2

Hence E
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Re: The annual profit or loss for the three divisions of Company T for the [#permalink]
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Option E is the correct answer.
Kindly update the OA. Thanks.
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Re: The annual profit or loss for the three divisions of Company T for the [#permalink]
Expert Reply
buan15 wrote:
Option E is the correct answer.
Kindly update the OA. Thanks.

_________________________
Added the OA. Thank you.
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Re: The annual profit or loss for the three divisions of Company T for the [#permalink]
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This question needs calculation , takeaway from this question is to increase the speed of calculation
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Re: The annual profit or loss for the three divisions of Company T for the [#permalink]
Quick solution:

A. 1.1+(-3.4)+1.9=3-3.4=-0.4
B. -3.4+1.9+2.0=-3.4+3.9=0.5 A is better
C. -2.3+5.5-4.5 A is better
D. -4.5+3.9-2.9 A is better
E. -6.6+5.3+1.1=-6.6+6.4=-0.2 E is better than A


Answer: E
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Re: The annual profit or loss for the three divisions of Company T for the [#permalink]
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