Answer:
a) 46.7, 80 b) 20, 60 Â c) yes
Explanation:
a) % utilization= utilization/design capacity × 100
            = 7/15 × 100
            = 46.7%
  % efficiency= efficiency/design capacity × 100
               = 12/15 × 100
                 =80%
b) Utilization= 2/10 × 100 = 20%
 Efficiency= 6/10 × 100= 60%
c) A system with higher efficiency ratios will always have higher utilization as these systems will have lesses number of failures