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During the 19th century a certain tribe collected 10 pieces of copper

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Joined: 02 Sep 2009
Posts: 55640
During the 19th century a certain tribe collected 10 pieces of copper  [#permalink]

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08 Jan 2019, 01:18
00:00

Difficulty:

35% (medium)

Question Stats:

63% (01:16) correct 37% (01:27) wrong based on 26 sessions

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During the 19th century a certain tribe collected 10 pieces of copper for every camel passing through Timbuktu in a caravan. If in 1880 an average of 8 caravans passed through Timbuktu every month, and there was an average of 100 camels in each caravan that year, how many pieces of copper did the tribe collect from the caravans over the year?

A. 800
B. 8,000
C. 9,600
D. 80,000
E. 96,000

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Joined: 31 Oct 2013
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Concentration: Accounting, Finance
GPA: 3.68
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Re: During the 19th century a certain tribe collected 10 pieces of copper  [#permalink]

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08 Jan 2019, 01:50
Bunuel wrote:
During the 19th century a certain tribe collected 10 pieces of copper for every camel passing through Timbuktu in a caravan. If in 1880 an average of 8 caravans passed through Timbuktu every month, and there was an average of 100 camels in each caravan that year, how many pieces of copper did the tribe collect from the caravans over the year?

A. 800
B. 8,000
C. 9,600
D. 80,000
E. 96,000

10 pieces of copper from each camel.

8 caravans in a month.

Total caravan = 8*12 =96 caravans.

Each caravan holds 100 camels .

Total camels = 100*96 = 9600.

Total pieces of Copper = 9600*10 = 96000.

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Joined: 04 Jan 2015
Posts: 2888
Re: During the 19th century a certain tribe collected 10 pieces of copper  [#permalink]

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08 Jan 2019, 05:43

Solution

Given:
• During 19th century, A certain tribe collected 10 pieces of copper for every camel passing through Timbuktu in a caravan
• In 1880, an average of 8 caravans passed through Timbuktu every month
• And, there was an average of 100 camels in each caravan in 1880

To find:
• The number of pieces of copper that the tribe collected from the caravans over that year

Approach and Working:
• Number of pieces of copper collected = 10 * average number of camels * average number of caravans = 10 * 100 * 8 * 12 = 96000

Hence, the correct answer is Option E

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Re: During the 19th century a certain tribe collected 10 pieces of copper   [#permalink] 08 Jan 2019, 05:43
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