65 The time taken by machines A B and C to execute a given t

[6.5] The time taken by machines A, B, and C to execute a given task is

A: 16 m, 9 s
B: 14 m, 12 s
C: 12 m, 47 s

What is the performance of each of these machines relative to machine A? Why?

A 1.000, B 1.137, C 1.263

Solution

Convert each of the time into seconds

A. 969 seconds

B. 852 seconds

C. 767 seconds.

Now, consider the performance to be 1.000

Now the performance of B= Time taken by A/ Time taken by B= 969/852 = 1.137

This shows that B can perform 1.137 better than A.

Similarly for C Time taken by A/ Time taken by C= 969/767=1.263

This is vecause the other two takes less time compared to A.

[6.5] The time taken by machines A, B, and C to execute a given task is A: 16 m, 9 s B: 14 m, 12 s C: 12 m, 47 s What is the performance of each of these machin

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