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The numbers of products a store sold on 4 consecutive days were x, x +

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The numbers of products a store sold on 4 consecutive days were x, x +  [#permalink]

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New post 11 Mar 2017, 08:37
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Question Stats:

86% (01:00) correct 14% (00:58) wrong based on 46 sessions

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The numbers of products a store sold on 4 consecutive days were x, x + 5, x + 3 and x + 12. If the daily average of the products sold was 13, what is the value of x?

A.4

B.6

C.7

D.8

E.12
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Re: The numbers of products a store sold on 4 consecutive days were x, x +  [#permalink]

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New post 11 Mar 2017, 10:47
vikasp99 wrote:
The numbers of products a store sold on 4 consecutive days were x, x + 5, x + 3 and x + 12. If the daily average of the products sold was 13, what is the value of x?

A.4

B.6

C.7

D.8

E.12


\(x + ( x + 5 ) + ( x + 3 ) + ( x + 12 ) = 52\)

So, \(4x + 20 = 52\)

Or, \(4x = 32\)

Or, \(x = 8\)

Thus, answer must be (D) 8
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Re: The numbers of products a store sold on 4 consecutive days were x, x +  [#permalink]

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New post 13 Jul 2018, 21:50
vikasp99 wrote:
The numbers of products a store sold on 4 consecutive days were x, x + 5, x + 3 and x + 12. If the daily average of the products sold was 13, what is the value of x?

A.4

B.6

C.7

D.8

E.12


OA: D

\(\frac{[(x)+(x+5)+(x+3)+(x+12)]}{4}=13\)
\(\frac{{4x+20}}{4}=13\)
\(x+5=13\)
\(x=8\)
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Re: The numbers of products a store sold on 4 consecutive days were x, x + &nbs [#permalink] 13 Jul 2018, 21:50
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