During the memorial high school highway clean-up project, ms palkowski cleaned 0.125 of a mile for the teachers' team and then 0.4 of a mile for the science club. how much did she clean altogether

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3