Frances has 24/4 = <<24/4=6>>6 towels.
They have 24+6=<<24+6=30>>30 towels.
Each towel weighs 60/30=<<60/30=2>>2 pounds.
Frances’s towels weigh a total of 2*4 = <<2*4=8>>8 pounds
Frances’s towels weigh a total of 8*16 = <<8*16=128>>128 ounces
#### 128