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Joan paid $100 tax. If X was her income, which of the following statem

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Joan paid $100 tax. If X was her income, which of the following statem  [#permalink]

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New post 24 Oct 2017, 00:29
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Joan paid $100 tax. If X was her income, which of the following statements is true?

(A) 0 < X < 4,000
(B) 4,000 < X < 6,000
(C) 6,000 < X < 8,000
(D) 8,000 < X < 10,000
(E) 10,000 < X < 15,000

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Re: Joan paid $100 tax. If X was her income, which of the following statem  [#permalink]

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New post 24 Oct 2017, 04:41
If Joan paid 100$, then he must have earned a bit less than ~6700$.
80$+0,03*~700=100$
Answer C
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Re: Joan paid $100 tax. If X was her income, which of the following statem  [#permalink]

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New post 26 Oct 2017, 14:45
Bunuel wrote:
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Joan paid $100 tax. If X was her income, which of the following statements is true?

(A) 0 < X < 4,000
(B) 4,000 < X < 6,000
(C) 6,000 < X < 8,000
(D) 8,000 < X < 10,000
(E) 10,000 < X < 15,000


We see that Joan could not have made more than 8,000 dollars since she would have to pay more than 140 dollars in taxes.

Let’s check what she would owe if she made 7,000 dollars:

80 + 0.03(7,000) = 80 + 21 = 101

We see that Joan must have made a touch under 7,000 dollars, so 6,000 < X < 8,000.

Answer: C
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Re: Joan paid $100 tax. If X was her income, which of the following statem  [#permalink]

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New post 01 Nov 2018, 02:46
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Re: Joan paid $100 tax. If X was her income, which of the following statem &nbs [#permalink] 01 Nov 2018, 02:46
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