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# poll

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Senior Manager
Joined: 30 May 2005
Posts: 277
Followers: 1

Kudos [?]: 10 [0], given: 0

poll [#permalink]  13 Jun 2005, 15:13
.
hello

is my approach right ? Thanks

the sum of income is 25000 x 10 or 250000
And
6 x 30000+4X= 250000
and I solved for x
A poll reveals that the average (arithmetic mean) income of 10 households is $25,000. If 6 of the households have incomes of$30,000 each, what is the average income of the other 4 households?
(A) $21,500 (B)$20,000
(C) $17,500 (D)$7,500
(E) \$7,000
Senior Manager
Joined: 30 May 2005
Posts: 277
Followers: 1

Kudos [?]: 10 [0], given: 0

thanks!
Senior Manager
Joined: 30 May 2005
Posts: 277
Followers: 1

Kudos [?]: 10 [0], given: 0

thanks!
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# poll

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