Table 3-12 Barb and Jim Run a Business That Sets Up and Up

Multiple Choice

Table 3-12
Barb and Jim run a business that sets up and tests computers. Assume that Barb and Jim can switch between setting up and testing computers at a constant rate. The following table applies.
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-Refer to Table 3-12. The number of minutes needed by Barb to test a computer is

A) 36.
B) 48.
C) 60.
D) 64.