Researchers surveyed recent graduates of two different universities about their income. The following two- way table displays data for the sample of graduates who responded to the survey.
How many graduates in the sample had an income of $40,000 and over?
graduates
Income
University A
University B
Under $20,000
35
40
90
63
$20,000 to $39,999
$40,000 and over
35
37