Inbetween 8:15 a.m and 12:45 p.m is 4 hours and 30 minutes.
12:45 p.m.+45 minutes=1:30 p.m.
Inbetween 1:30 p.m. and 6:15 p.m. is 4 hours and 45 minutes
4+4=8
30+45=75
75 minutes=1 hour and 15 minutes=1 1/4 hours=1.25 hours
8*16=128
16*1.5=24
1.25*24=30
128+30=158
Rita get $158 for working