A group of students must collect at least $120 to organize a science fair. They have already collected $40. Which graph best represents the possible amounts of money the students still need to collect? Number line graph with closed circle on 80 and shading to the right.

Number line graph with closed circle on 120 and shading to the right.

Number line graph with closed circle on 40 and shading to the right.

Number line graph with closed circle on 160 and shading to the right.