Which expressions are equivalent to 6k+5m+3n?
5m+(6k+3n)
3(2k+n)+5m
none of the above

Atown recently dismissed 5 employees in order to meet their new budget reductions. the town had 5 employees over 50 years of age and 19 under 50. if the dismissed employees were selected at random, what is the probability that exactly 2 employees were over 50? express your answer as a fraction or a decimal number rounded to four decimal places.