Laurie was scuba diving. Each time she dove 5 feet deeper, she would stop and clear her ears. After Laurie had checked her instruments 3 times, she was at her maximum depth of 60 feet. Which expression best represents Laurie’s maximum depth?
(4) (negative 5) (3)
(Negative 4) (Negative 5) (Negative 3)
(Negative 5) (20) (3)
(Negative 5) (Negative 20) (Negative 3)