One computer processes a company's payroll in 20 minutes. while another computer takes 32 minutes. how long would it take in minutes to process payroll if both computers were used?

Time taken would be = 12 minutes to print the payroll if both computers are used

Step-by-step explanation:

Computer A Takes = 20 minutes

Computer B Takes = 30 minutes

To Find:

Time to print if both were used = ?

Solution :

Now We will first calculate How much work is done by each computer in one minute

Computer A will do = 1/20 Work one minute

Computer B will do  = 1/30 work in one minute

Now if both computers are used then

work done by both of them in one minute would be sum of both the computers f the work together

So

it would be

Work done =

Taking LCM and solving

Work done =

                   =

                   =

Now to do the whole task Time taken would be reciprocal of Work done in one minute

So

Time taken would be = 12 minutes

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first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

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step-by-step explanation: