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# If a +b = 10, then (a + b/2)

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If a +b = 10, then (a + b/2) [#permalink]  15 Jun 2018, 08:09
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Question Stats:

94% (00:36) correct 5% (00:00) wrong based on 17 sessions
If $$a + b = 10$$, then $$(a + \frac{b}{2})$$ $$+$$ $$(b + \frac{a}{2})$$ =

A. 5

B. 10

C. 15

D. 20

E. 25
[Reveal] Spoiler: OA

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Re: If a +b = 10, then (a + b/2) [#permalink]  16 Jun 2018, 07:09
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Carcass wrote:
If $$a + b = 10$$, then $$(a + \frac{b}{2})$$ $$+$$ $$(b + \frac{a}{2})$$ =

A. 5

B. 10

C. 15

D. 20

E. 25

Make a = 10 - b, sub this in equation.

20-b/2 + 10+b/2
=>30/2
=>15

C.
Re: If a +b = 10, then (a + b/2)   [#permalink] 16 Jun 2018, 07:09
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