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On the number line, if x is halfway between –5 and 3, and if y is half

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On the number line, if x is halfway between –5 and 3, and if y is half  [#permalink]

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New post 14 Jul 2017, 00:16
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

83% (00:54) correct 17% (00:47) wrong based on 52 sessions

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On the number line, if x is halfway between –5 and 3, and if y is halfway between –2 and 6, what number is halfway between x and y?

(A) –1
(B) –1/2
(C) 0
(D) 1/2
(E) 1

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Re: On the number line, if x is halfway between –5 and 3, and if y is half  [#permalink]

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New post 14 Jul 2017, 00:20
Sorry 1\2
-5 and 3 = -1
-2 and 6 = 2
-1 and 2 = 1/2

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Re: On the number line, if x is halfway between –5 and 3, and if y is half  [#permalink]

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New post 14 Jul 2017, 00:42
\(-5, -4, -3, -2, -1, 0, 1, 2, 3: x = -1.\)

\(-2, -1, 0, 1, 2, 3, 4, 5, 6: y = 2.\)

\(-1, 0, 1, 2: \frac{0+1}{2} = \frac{1}{2}.\) Ans - D.
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Re: On the number line, if x is halfway between –5 and 3, and if y is half  [#permalink]

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New post 14 Jul 2017, 03:34
Time taken:1:22
Option: D
Here you go
step#01
x is mid-point of -5,3
remaining
-4,-3,-2,-1,0,1,2
mean x=-1
Step#02
y is mid-point of -2,6
remaining
-1,0,1,2,3,4,5
mean y=2
new range
-1,0,1,2
Add 0 and 1 and divide by 2
Result=1/2
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On the number line, if x is halfway between –5 and 3, and if y is half  [#permalink]

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New post 14 Jul 2017, 10:36
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Bunuel wrote:
On the number line, if x is halfway between –5 and 3, and if y is halfway between –2 and 6, what number is halfway between x and y?

(A) –1
(B) –1/2
(C) 0
(D) 1/2
(E) 1

X: \(\frac{-5+3}{2}\) = -1

Y: \(\frac{-2+6}{2}\) = 2

Number halfway between x and y:

\(\frac{-1+2}{2}\) = \(\frac{1}{2}\)

Answer D
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Re: On the number line, if x is halfway between –5 and 3, and if y is half  [#permalink]

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New post 31 Dec 2018, 10:48
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Re: On the number line, if x is halfway between –5 and 3, and if y is half &nbs [#permalink] 31 Dec 2018, 10:48
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