In one month, Jillian made 36 local phone calls and 20 long distance calls. What was her ratio of local calls to long distance calls for that month?
A.
2 : 1
B.
9 : 4
C.
9 : 5
D.
3 : 2
A.
2 : 1
B.
9 : 4
C.
9 : 5
D.
3 : 2