Answer:
4n+2
Step-by-step explanation:
[tex]n + (n + 2) + 2n = total \: amt \\ \\ 3n + n + 2 = total \: amount \\ \\ 4n + 2 = total \: amount[/tex]
[tex]n = ann \\ n + 2 = beth \\ 2n = caitlin[/tex]