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If a + b = 100, what is y + z?

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If a + b = 100, what is y + z?  [#permalink]

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New post 17 Jan 2019, 23:40
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

86% (00:30) correct 14% (00:35) wrong based on 28 sessions

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Posts: 59
Re: If a + b = 100, what is y + z?  [#permalink]

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New post 18 Jan 2019, 00:01
a+b+c = 180
a+b = 100 given
-> 100+c =180
c= 80

Now we have to find y+z
so, y+z+c =180
=> y+z = 180-80 = 100 (C)
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Re: If a + b = 100, what is y + z?   [#permalink] 18 Jan 2019, 00:01
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If a + b = 100, what is y + z?

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