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# The table below gives the information about the electricity consumptio

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Math Expert
Joined: 02 Sep 2009
Posts: 59730

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04 Oct 2018, 00:29
00:00

Difficulty:

15% (low)

Question Stats:

87% (01:53) correct 13% (02:07) wrong based on 32 sessions

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The table below gives the information about the electricity consumption by four appliances in a household. What was the average number of watts of electricity used per hour per appliance in the household?

(A) 76
(B) 105
(C) 137
(D) 187
(E) 303

Attachment:

2018-10-04_1128.png [ 76.89 KiB | Viewed 540 times ]

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Re: The table below gives the information about the electricity consumptio  [#permalink]

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04 Oct 2018, 00:52
Bunuel wrote:
The table below gives the information about the electricity consumption by four appliances in a household. What was the average number of watts of electricity used per hour per appliance in the household?

(A) 76
(B) 105
(C) 137
(D) 187
(E) 303

Attachment:
2018-10-04_1128.png

AVerage consumption per hour = [(105*4)+(90*2)+(235*2)+(150*2)]/(4+2+2+2) = 1370/10 = 137

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Re: The table below gives the information about the electricity consumptio   [#permalink] 04 Oct 2018, 00:52
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