Boys = \(z\).<br>Adults = 3 times boys = \(3z\).<br>Girls = boys + 23 = \(z + 23\).<br><br>Total people = boys + adults + girls:<br>&bull; Total = \(z + 3z + (z + 23)\)<br>&bull; Total = \(z + 3z + z + 23\)<br>&bull; Total = \(5z + 23\)<br><br>Final Answer: \(5z + 23\)