Acrew of highway workers paved 3/20 mile in 40 minutes if they work at the same rate what proportion of a mile well they paid in 60 minutes

the correct answer is b.

this is because an open circle means < or > & since the line goes left it is < -3.

the next one has a filled circle so it can only be ≥ or ≤ and since the line goes right from 1 it is ≥ 1

hope that