PLS HELP ME!! ILL GIVE BRAINLIEST! Each student in Mr. Grinkov's class is either a junior or a senior. Mr. Grinkov took some students from his class on a field trip. Of the 24 juniors in his class, 2/3 went on the trip, and 21 seniors from his class also went on the trip.

(a) How many students are in the class?
(b) How many juniors from the class went on the field trip?
(c) How many students from the class went on the field trip?