If memory access takes 20 ns with cache and 110 ns with out it, then the ratio( cache uses a 10 ns memory) is

If memory access takes 20 ns with cache and 110 ns with out it, then t

1.	If memory access takes 20 ns with cache and 110 ns with out it, then the ratio( cache uses a 10 ns memory) is
A.	0.9
B.	0.93
C.	0.87
D.	0.88
Answer» B. 0.93