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Senior Manager
Joined: 30 May 2005
Posts: 274

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13 Jun 2005, 16:13
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

.
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

Kudos [?]: 44 [0], given: 0

Senior Manager
Joined: 30 May 2005
Posts: 274

Kudos [?]: 44 [0], given: 0

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13 Jun 2005, 16:36
thanks!

Kudos [?]: 44 [0], given: 0

Senior Manager
Joined: 30 May 2005
Posts: 274

Kudos [?]: 44 [0], given: 0

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13 Jun 2005, 16:37
thanks!

Kudos [?]: 44 [0], given: 0

13 Jun 2005, 16:37
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