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A store sells two types of birdfeeder: Alphas and Bravos. [#permalink]
09 Dec 2012, 12:38

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Difficulty:

95% (hard)

Question Stats:

24% (02:37) correct
76% (01:59) wrong based on 95 sessions

A store sells two types of birdfeeder: Alphas and Bravos. Alphas feed one bird at a time, whereas Bravos feed two birds at a time. The total number of birds that can be fed at one time by birdfeeders sold last month is 50. What is the total revenue generated by birdfeeders sold last month?

(1) Last month, the price of each Alpha was $15, and the price of each Bravo was $30. (2) 40 Alphas were sold last month.

Re: A store sells two types of birdfeeder: Alphas and Bravos [#permalink]
09 Dec 2012, 21:09

Let a be the number of alphas sold and b be the number of bravos. Then a + 2b = 50

To know the revenue generated, we must know the price of each alpha, the price of each beta, a, and b.

Statement 1: Through this, we can find 15(a+2b). Sufficient. Statement 2: This gives us a, through which we can find b. However, we do not know the prices.

Re: A store sells two types of birdfeeder: Alphas and Bravos. [#permalink]
10 Dec 2012, 01:01

3

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Expert's post

Nice little tricky question. OA is correct it should be A, not C.

A store sells two types of birdfeeder: Alphas and Bravos. Alphas feed one bird at a time, whereas Bravos feed two birds at a time. The total number of birds that can be fed at one time by birdfeeders sold last month is 50. What is the total revenue generated by birdfeeders sold last month?

Given that a+2b=50, where a and b are the number of Alphas and Bravos sold, respectively.

(1) Last month, the price of each Alpha was $15, and the price of each Bravo was $30 --> we need to find the value of 15a+30b --> 15a+30b=15(a+2b)=15*50. Sufficient.

(2) 40 Alphas were sold last month. We can find b, but we don't know the prices of each birdfeeder. Not sufficient.

Re: A store sells two types of birdfeeder: Alphas and Bravos. [#permalink]
10 Dec 2012, 02:29

Bunuel wrote:

Nice little tricky question. OA is correct it should be A, not C.

A store sells two types of birdfeeder: Alphas and Bravos. Alphas feed one bird at a time, whereas Bravos feed two birds at a time. The total number of birds that can be fed at one time by birdfeeders sold last month is 50. What is the total revenue generated by birdfeeders sold last month?

Given that a+2b=50, where a and b are th number of Alphas and Bravos sold, respectively.

(1) Last month, the price of each Alpha was $15, and the price of each Bravo was $30 --> we need to find the value of 15a+30b. Reduce by 15: we need to find the value of a+2b, which is given to be 50. Sufficient.

(2) 40 Alphas were sold last month. We can find b, but we don't know the prices of each birdfeeder. Not sufficient.

Re: A store sells two types of birdfeeder: Alphas and Bravos. [#permalink]
10 Dec 2012, 02:40

1

This post received KUDOS

Bunuel wrote:

Nice little tricky question. OA is correct it should be A, not C.

A store sells two types of birdfeeder: Alphas and Bravos. Alphas feed one bird at a time, whereas Bravos feed two birds at a time. The total number of birds that can be fed at one time by birdfeeders sold last month is 50. What is the total revenue generated by birdfeeders sold last month?

Given that a+2b=50, where a and b are the number of Alphas and Bravos sold, respectively.

(1) Last month, the price of each Alpha was $15, and the price of each Bravo was $30 --> we need to find the value of 15a+30b --> 15a+30b=15(a+2b)=15*50. Sufficient.

(2) 40 Alphas were sold last month. We can find b, but we don't know the prices of each birdfeeder. Not sufficient.

Answer: A.

Hope it's clear.

Bunuel, you really are unbreakable! Kudos for the question anyone?

Re: A store sells two types of birdfeeder: Alphas and Bravos. [#permalink]
10 Dec 2012, 02:42

Expert's post

Maxswe wrote:

Bunuel wrote:

Nice little tricky question. OA is correct it should be A, not C.

A store sells two types of birdfeeder: Alphas and Bravos. Alphas feed one bird at a time, whereas Bravos feed two birds at a time. The total number of birds that can be fed at one time by birdfeeders sold last month is 50. What is the total revenue generated by birdfeeders sold last month?

Given that a+2b=50, where a and b are the number of Alphas and Bravos sold, respectively.

(1) Last month, the price of each Alpha was $15, and the price of each Bravo was $30 --> we need to find the value of 15a+30b --> 15a+30b=15(a+2b)=15*50. Sufficient.

(2) 40 Alphas were sold last month. We can find b, but we don't know the prices of each birdfeeder. Not sufficient.

Answer: A.

Hope it's clear.

Bunuel, you really are unbreakable! Kudos for the question anyone?

Nice question. Kudos to you for posting it. _________________

Re: A store sells two types of birdfeeder: Alphas and Bravos. [#permalink]
06 Mar 2014, 08:23

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