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At a used item shop, all caps were priced equally and all sunglasses

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Math Expert
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At a used item shop, all caps were priced equally and all sunglasses  [#permalink]

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New post 29 Oct 2018, 04:53
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A
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Difficulty:

  15% (low)

Question Stats:

84% (00:51) correct 16% (01:01) wrong based on 33 sessions

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Re: At a used item shop, all caps were priced equally and all sunglasses  [#permalink]

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New post 29 Oct 2018, 05:13
Bunuel wrote:
At a used item shop, all caps were priced equally and all sunglasses were priced equally. What was the price of 4 caps and 5 sunglasses at the sale?

(1) The price of a cap was $2.00 more than the price of a sunglasses.
(2) The price of 8 caps and 10 sunglasses was $45.


As the caps and sunglasses are priced equally, we need to find the price of 9 items.
We'll look for statements that give us this information, a Logical approach.

(1) this doesn't give absolute numbers.
Insufficient.

(2) This gives the price of 18 items, which we can use to calculate the price of 9.
Sufficient.

(B) is our answer
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Re: At a used item shop, all caps were priced equally and all sunglasses  [#permalink]

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New post 02 Nov 2018, 00:27
At a used item shop, all caps were priced equally and all sunglasses were priced equally. What was the price of 4 caps and 5 sunglasses at the sale?

(1) The price of a cap was $2.00 more than the price of a sunglasses.
(2) The price of 8 caps and 10 sunglasses was $45.

4c + 5s is needed.

1. c = s + 2. Insufficient.

2. 8c + 10s = 45
So, 4c + 5s will be half of 45.
Sufficient.

B.
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Re: At a used item shop, all caps were priced equally and all sunglasses   [#permalink] 02 Nov 2018, 00:27
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At a used item shop, all caps were priced equally and all sunglasses

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