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If x = 1- 3t and y = 2t - 1, then for what value of t does x [#permalink ]
24 Sep 2012, 03:56
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Math Expert

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Re: If x = 1- 3t and y = 2t - 1, then for what value of t does x [#permalink ]
24 Sep 2012, 03:57
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Re: If x = 1- 3t and y = 2t - 1, then for what value of t does x [#permalink ]
24 Sep 2012, 04:18
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1-3t = 2t-1

-> t= 2/5

Answer D

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Re: If x = 1- 3t and y = 2t - 1, then for what value of t does x [#permalink ]
24 Sep 2012, 07:45
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Bunuel wrote:

If x = 1- 3t and y = 2t - 1, then for what value of t does x = y? (A) 5/2 (B) 3/2 (C) 2/3 (D) 2/5 (E) 0

We are given expressing of x and y in terms of t.

Making both of these equal as x = y

1-3t=2t-1

=> 2 = 5t

=> t = 1/5

Hence D

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Re: If x = 1- 3t and y = 2t - 1, then for what value of t does x [#permalink ]
10 Dec 2012, 03:19
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1- 3t = 2t - 1 2 = 5t t = \frac{2}{5} Answer: D

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Re: If x = 1-3t and y = 2t-1, then for what value of t does x=y [#permalink ]
13 Dec 2013, 01:46
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Re: If x = 1- 3t and y = 2t - 1, then for what value of t does x [#permalink ]
28 Sep 2012, 03:31

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If x = 1-3t and y = 2t-1, then for what value of t does x=y [#permalink ]
13 Dec 2013, 00:28

A) 5/2 B) 3/2 C) 2/3 D) 2/5 E) 0

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Re: If x = 1- 3t and y = 2t - 1, then for what value of t does x [#permalink ]
13 Dec 2013, 10:17

since you are asked to solve for the value at which x = y , set the equations equal to each other and solve. Your answer should be 2/5, you can plug it back into the original equations to double check if you're not certain.

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Re: If x = 1- 3t and y = 2t - 1, then for what value of t does x [#permalink ]
10 Sep 2014, 08:13

Bunuel wrote:

If x = 1- 3t and y = 2t - 1, then for what value of t does x = y?

(A) 5/2

(B) 3/2

(C) 2/3

(D) 2/5

(E) 0

Practice Questions Question: 47 Page: 158 Difficulty: 550

equate x=y

1-3t=2t-1

5t=2

t=2/5

Re: If x = 1- 3t and y = 2t - 1, then for what value of t does x
[#permalink ]
10 Sep 2014, 08:13