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.
-Refer to Table 3-12. The number of minutes needed by Barb to test a computer is
A) 36.
B) 60.
C) 64.
D) 48.

Question

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. 
-Refer to Table 3-12. The number of minutes needed by Barb to test a computer is
A) 36. 
B) 60. 
C) 64. 
D) 48.

Quizplus · Accepted Answer

Barb's testing time is 8 minutes per computer. She tested 8 computers, so the total time is 8 * 8 = 64 minutes.

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