A dozen eggs and 10 pounds of apples are currently at the sa

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A dozen eggs and 10 pounds of apples are currently at the sa [#permalink]

11 Feb 2013, 14:46

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54% (01:32) correct

45% (01:21) wrong

based on 11 sessions

A dozen eggs and 10 pounds of apples are currently at the same price. If the price of a dozen eggs rises by 10 percent and the price of apples rises by 2 %. How much more will it cost to buy a dozen eggs and 10 pounds of apples.

A. 2%
B. 6%
C. 10%
D. 12%
E. 12.2%

[Reveal] Spoiler: OA

Last edited by Bunuel on 11 Feb 2013, 14:55, edited 2 times in total.

Renamed the topic and edited the question.

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Re: A dozen eggs and 10 pounds of apples are currently at the sa [#permalink]

11 Feb 2013, 15:04

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anartey wrote:

Say currently both a dozen eggs and 10 pounds of apples cost $50 (they are at the same price). So, to buy a dozen eggs and 10 pounds of apples we need $100.

After the increase, the price of a dozen eggs will be $55 and the price of 10 pounds of apples will be $51. So after the increase, to buy a dozen eggs and 10 pounds of apples we'll need $106.

Increase = 6%.

Answer: B.
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Re: A dozen eggs and 10 pounds of apples are currently at the sa [#permalink]

11 Feb 2013, 15:06

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Say they both cost $10 each.
An increase of 10% for the eggs would bring the new total to $11
An increase of 2% for the apples would bring the new total to $10.2
The original total is $20 and the new total is $21.2. Therefore the increase in price from the original to the new would be 1.2/20 = 6%. Answer: B

Re: A dozen eggs and 10 pounds of apples are currently at the sa [#permalink] 11 Feb 2013, 15:06

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A dozen eggs and 10 pounds of apples are currently at the sa

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A dozen eggs and 10 pounds of apples are currently at the sa

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