Answer:
3) 0 = 4 cause 4 life guards before it opend t
then it say each hour 3 people arrived so 1 = 7 cause theirs 4 life gaurds already their then
2 = 10 , 3 = 13 and so on by 3z
4) same as three but u start out with 2 life gaurds
0=2, 1=5, 2=8, and so on by 3z