Abox dozen fruit tarts cost $15 what is the cost of one fruit tart

One dozen = 12

15/12 = 1.25

The cost of one fruit tart is $1.25

A dozen = 12

12 fruit tarts = $15

1 fruit tart = 15 / 12

1 fruit tart = $1.25. 

The lateral side of a triangular pyramid is a triangle. in order to increase the lateral surface area, the slant height and the height should be altered

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