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# If every car sold last week at a certain used-car dealership was eithe

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Math Expert
Joined: 02 Sep 2009
Posts: 50076
If every car sold last week at a certain used-car dealership was eithe  [#permalink]

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13 Nov 2017, 02:21
00:00

Difficulty:

35% (medium)

Question Stats:

84% (00:54) correct 16% (01:33) wrong based on 34 sessions

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If every car sold last week at a certain used-car dealership was either a coupe or a sedan, what was the average (arithmetic mean) sale price for all the cars that were sold at the dealership last week?

(1) The average sale price for the sedans that were sold at the dealership last week was \$10,600.

(2) The average sale price for the coupes that were sold at the dealership last week was \$8,400.

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If every car sold last week at a certain used-car dealership was eithe  [#permalink]

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13 Nov 2017, 02:28
E

Statement 1 doesn’t give any info about coupe type cars. So we can’t say the average price of the total cars sold.

Statement 2 doesn’t give any info about sedan type cars. So we can’t say the average price of the total cars sold.

Combining,
Still we don’t have the total numbers of cars sold. For example when both coupe and sedan cars are equally sold we have the average of 9500. However that’s not the case when either more sedan than coupe is sold or vice versa. Hence insufficient

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If every car sold last week at a certain used-car dealership was eithe &nbs [#permalink] 13 Nov 2017, 02:28
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