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# What is the value of (4a - b)/(a - b)?

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Math Expert
Joined: 02 Sep 2009
Posts: 58340
What is the value of (4a - b)/(a - b)?  [#permalink]

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11 Jan 2018, 23:37
1
4
00:00

Difficulty:

45% (medium)

Question Stats:

49% (01:05) correct 51% (01:40) wrong based on 107 sessions

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What is the value of (4a - b)/(a - b)?

(1) 4a = 10
(2) 3a/(a - b) = 7

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Re: What is the value of (4a - b)/(a - b)?  [#permalink]

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11 Jan 2018, 23:45
2
1
1. 4a = 10

Knowing the value of 4a is not going to be enough in finding the
value of the expression $$\frac{(4a - b)}{(a - b)}$$ - Insufficient

2. 3a/(a - b) = 7

$$\frac{(4a - b)}{(a - b)} = \frac{(3a + a - b)}{(a - b)} = \frac{3a}{(a - b)} + \frac{(a - b)}{(a - b)} = 7+1$$

Hence, this statement is sufficient to find a unique value for the
expression - Sufficient (Option B)

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Re: What is the value of (4a - b)/(a - b)?  [#permalink]

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20 Jan 2019, 03:42
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Re: What is the value of (4a - b)/(a - b)?   [#permalink] 20 Jan 2019, 03:42
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# What is the value of (4a - b)/(a - b)?

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