12 how many days does it take to maintain the front desk of the hotel 24 hours a month?

The front desk of the hotel12 doesn't go to work 24 hours a day, and one day goes to work at night, which is 10 days a month.

The calculation is as follows:

10x12+10x12 = 240 hours.

240/24 =10 days.

Definition of calculation

The definition of calculation can be used in many ways, from a fairly precise definition, such as "arithmetic" with various algorithms, to a more abstract definition, such as "calculation of strategy" or "calculation of the success probability of two people in a game".

7 times 8(7x8) is a simple arithmetic. Calculations in mathematics include addition, subtraction, multiplication, division, multiplication, root and so on. Addition, subtraction, multiplication and division are called four operations.

It is a complex operation to calculate the fair price in financial evaluation with Black-Scholes model.

The election results (opinion polls) evaluated from the calculation of voting intention also contain some arithmetic, but the results provided are "the range of various possibilities" rather than a single correct answer.

The way to determine how to establish a relationship between people is also the result of a calculation, but this calculation is difficult to be accurate, unpredictable or even clearly defined. This definition of calculation with infinite possibilities is completely different from the mathematical arithmetic mentioned above.

Calculation in English is "calculation", which comes from Latin "Calculus" and refers to the small stone used for calculation on the abacus.