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For a certain company, operating costs and commissions totaled $550 mi

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For a certain company, operating costs and commissions totaled $550 mi  [#permalink]

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New post Updated on: 02 Nov 2018, 03:19
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A
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E

Difficulty:

  35% (medium)

Question Stats:

79% (01:12) correct 21% (01:00) wrong based on 19 sessions

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For a certain company, operating costs and commissions totaled $550 million in 1990, representing an increase of 10 percent from the previous year. The sum of operating costs and commissions for both years was

(A) $1,000 million
(B) $1,050 million
(C) $1,100 million
(D) $1,150 million
(E) $1,155 million

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Originally posted by pushpitkc on 02 Nov 2018, 03:12.
Last edited by Bunuel on 02 Nov 2018, 03:19, edited 1 time in total.
EDITED.
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Re: For a certain company, operating costs and commissions totaled $550 mi  [#permalink]

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New post 03 Nov 2018, 02:42
\(500 +\frac{10}{100}*500 = 500 + 50 = 550\)

Thus, the operating costs and commissions for previous year is 500M

The sum of operating costs and commissions for both years was 500+550 = $1,050 million

Answer B
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Re: For a certain company, operating costs and commissions totaled $550 mi &nbs [#permalink] 03 Nov 2018, 02:42
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For a certain company, operating costs and commissions totaled $550 mi

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