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How much money is saved by buying a box of a dozen donuts instead of 1

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How much money is saved by buying a box of a dozen donuts instead of 1 [#permalink]

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New post 05 Oct 2017, 12:34
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Question Stats:

73% (00:40) correct 27% (00:30) wrong based on 22 sessions

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How much money is saved by buying a box of a dozen donuts instead of 12 donuts singly?

(1) When purchased in a box of 12, the cost of each donut is $0.05 less than if purchased singly.
(2) The price of a box of a dozen donuts is $2.40.
[Reveal] Spoiler: OA

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Re: How much money is saved by buying a box of a dozen donuts instead of 1 [#permalink]

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New post 05 Oct 2017, 19:49
SajjadAhmad wrote:
How much money is saved by buying a box of a dozen donuts instead of 12 donuts singly?

(1) When purchased in a box of 12, the cost of each donut is $0.05 less than if purchased singly.
(2) The price of a box of a dozen donuts is $2.40.





Hi...

We require
1) cost in both ways.
OR 2) the difference in cost.

Statement I.
This gives us the difference in cost of each donut-0.05
So answer 12*0.05=0.60
Suff

Statement II
Just one cost given
Insufficient

A
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How much money is saved by buying a box of a dozen donuts instead of 1 [#permalink]

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New post 05 Oct 2017, 21:37
SajjadAhmad wrote:
How much money is saved by buying a box of a dozen donuts instead of 12 donuts singly?

(1) When purchased in a box of 12, the cost of each donut is $0.05 less than if purchased singly.
(2) The price of a box of a dozen donuts is $2.40.


A - Its is explicitly given that the difference in the cost of each donuts when buying in a box a singly = 0.05
Hence just multiplying it by 12 will give us the amount of money saved. - Sufficient

B - As per this price of a box of dozen donuts is given, which will help us figure the price of each donuts in the box, but we do not know the price of donuts when sold singly, hence we can't know the difference in price, which is required to calculate the amount of money saved. - Insufficient

Hence answer is A
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How much money is saved by buying a box of a dozen donuts instead of 1   [#permalink] 05 Oct 2017, 21:37
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