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# What is the tenths digit of the decimal d ?

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Joined: 01 Sep 2010
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What is the tenths digit of the decimal d ?  [#permalink]

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01 Nov 2018, 03:54
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Difficulty:

5% (low)

Question Stats:

97% (00:33) correct 3% (00:36) wrong based on 37 sessions

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What is the tenths digit of the decimal d ?

1. $$d=\frac{7}{25}$$

2. d is 28 percent of 1

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What is the tenths digit of the decimal d ?  [#permalink]

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01 Nov 2018, 04:21
carcass wrote:
What is the tenths digit of the decimal d ?

1. $$d=\frac{7}{25}$$

2. d is 28 percent of 1

(1) this gives us the exact value of d, letting us calculate its tenths digit.
Sufficient.

(2) exactly the same logic - we have an exact equation for d and can calculate it.

So... the answer to 'what is the tenths digit of the decimal d is..... (D)! (har har)
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What is the tenths digit of the decimal d ?  [#permalink]

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01 Nov 2018, 05:52
Both statements are individually sufficient to give the exact value of d.

We can now find out the tenth digit of d.

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What is the tenths digit of the decimal d ?   [#permalink] 01 Nov 2018, 05:52
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