A class of 32 students earned grades of a,b,c,d on a test. One-fourth or the students earned an A. Half of the remaining students earned a b. Two students earned D. What fraction of the students earned a C? With work please help me solve this

A class of 32 students earned grades of abcd on a test Onefourth or the students earned an A Half of the remaining students earned a b Two students earned D Wha class=