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Floor and Ceiling: (Proof track.) Give a complete justification. How many positive integers math have math?

Integer parts.

Try the problem

**(Proof track.)** Give a complete justification. How many positive integers nn have ⌊100/n⌋=4\lfloor100/n\rfloor=4?

Hint and answer

Concept to use

Contest floors.

Hint

Replace the floor or ceiling with its sharp bounding inequalities.

Answer

5

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