The members of a bridge club are divided into tables of 4 to play bridge. There are 19 bridge tables at the club. What an a call, he expresses how many people can come to play on a given night?
A: p/4 ≤ 19
B: p/4 > 19
C: p ≤ 19/4
D: 4p ≤ 19
A: p/4 ≤ 19
Explanation: Each table consists of 4 people, so the total number of people playing (p) divided by 4 should be less than or equal to 19, as there are only 19 tables available.