120 psychology students took a standardized test. The scores are summarized in the Frequency Distribution Table below.

Scores	Frequency
40 - 49	20
50 - 59	10
60 - 69	15
70 - 79	20
80 - 89	18
90 - 99	37

The scores are also described in the cumulative table shown below.

Scores	Frequency
less than 50	20
less than 60	30
less than 70	45
less than 80
less than 90	83
less than 100	120

What is the missing value in the cumulative Frequency Distribution Table?

answer =