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Donuts

by shashank.ism » Mon Feb 15, 2010 11:31 pm
How much money is saved by buying a box of a dozen donuts instead of 12 donuts singly?
(A) When purchased in a box of 12, the cost of each donut is $0.05 less than if purchased singly.
(B) The price of a box of a dozen donuts is $2.40.
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by papgust » Mon Feb 15, 2010 11:35 pm
A. The cost of each donut, when purchased in a box of 12, is $0.05 less than single purchase of a donut.
This means that total amount saved will be $0.05 * 12. Sufficient.

B. We don't know the price of single donut when purchased separately. Insufficient.

A
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