Table 3-9 Barb and Jim Run a Business That Sets Up and Up

Multiple Choice

Table 3-9
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.
-Refer to Table 3-9. The number of minutes needed by Barb to test a computer is

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