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Business A’s sales are 40% greater than Business B’s, and Business B’s

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New post 24 Dec 2018, 23:10
2
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A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

79% (01:16) correct 21% (02:00) wrong based on 38 sessions

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Business A’s sales are 40% greater than Business B’s, and Business B’s sales are 30% less than Business C’s. Business A’s sales are what percent of Business C’s?

a. 112%

b. 110%

c. 108%

d. 98%

e. 90%

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Re: Business A’s sales are 40% greater than Business B’s, and Business B’s  [#permalink]

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New post 26 Dec 2018, 07:36
AkshdeepS wrote:
Business A’s sales are 40% greater than Business B’s, and Business B’s sales are 30% less than Business C’s. Business A’s sales are what percent of Business C’s?

a. 112%

b. 110%

c. 108%

d. 98%

e. 90%



As the other two are related to B, let us take B as 100...
So A is 40% greater, meaning A is 100+40% of 100=100+40=140
Now B is 30% less than C, so 100=C-30% of C=70 % of C...C=100*100/70=1000/7=143
So A is 140 and C is 143...
Therefore, A is 100*140/143=~98%

D
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Re: Business A’s sales are 40% greater than Business B’s, and Business B’s  [#permalink]

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New post 17 Jun 2019, 11:29
I took C as being 100, which will then make B = 70 and then A = 98

It was easier for me to do 10% of 70 = 7 then, 7 x 4 to get 40% which equals 28. then 70 + 28 = 98
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Re: Business A’s sales are 40% greater than Business B’s, and Business B’s  [#permalink]

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New post 17 Jun 2019, 11:46
kapstone1996 wrote:
I took C as being 100, which will then make B = 70 and then A = 98

It was easier for me to do 10% of 70 = 7 then, 7 x 4 to get 40% which equals 28. then 70 + 28 = 98



I took C as my starting point just as you did

C=x
B=0.7x
A=0.7x+(0.4X0.7)x
A=.98x


98%

The answer is D

same approach just a different look.
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Re: Business A’s sales are 40% greater than Business B’s, and Business B’s   [#permalink] 17 Jun 2019, 11:46
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Business A’s sales are 40% greater than Business B’s, and Business B’s

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