N=1/2 divided by 7/10

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Can someone me immediately, this is due by midnight! if you can't see the question, i'll text it to you. show the steps you took to get your answer.

This graph shows a portion of an odd function. use the graph to complete the table of values. x f(x) −2 −3 −4 −6 im sorry i cant get the graph up