A process P1 has a period of 50 and a CPU burst of t1 = 25, P2 has a period of 80 and a CPU burst of 35. The total CPU utilization is :

A process P1 has a period of 50 and a CPU burst of t1 = 25, P2 has a p

1.	A process P1 has a period of 50 and a CPU burst of t1 = 25, P2 has a period of 80 and a CPU burst of 35. The total CPU utilization is :
A.	0.90
B.	0.74
C.	0.94
D.	0.80
Answer» D. 0.80