Working simultaneously and independently at an identical constant rate, 4 machines of a certain type can produce a total of x units of product P in 6 days. How many of these machines, working simultaneously and independently at this constant rate, can produce a total of 3x units of product P in 4 days?A. 24B. 18C. 16D. 12E. 8

B. 18

Step-by-step explanation:

x units require: 4×6 = 24 days of job

3x units require: 3×24 = 72 days of job

If to be completed in 4 days,

72/4 = 18 machines will be required

area = length x width

length = 2 x width

32 = 2 x width x width

32 = 2 x width^2

36 = width ^2  

width = 6

length = 12

area is 32

perimeter = 2 x 12 + 2 x 6 = 24 + 12 = 36

step-by-step explanation:

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step-by-step explanation: