There are 52% chickens, 30% ducks and 18% geese. Uncle Li has 60 fewer geese than ducks. How many geese are there Excellent 30%, good 28%, pass 38%, fail 4%, get excellent 15, how many people in the class, get good, pass, fail how many people

There are 52% chickens, 30% ducks and 18% geese. Uncle Li has 60 fewer geese than ducks. How many geese are there Excellent 30%, good 28%, pass 38%, fail 4%, get excellent 15, how many people in the class, get good, pass, fail how many people

The total number of chickens, ducks and geese: 60 / (52% - 18%) = 176, excellent 30%, good 28%, pass 38%, fail 4%, 15 students got excellent, how many students got good, pass, fail: 15 / 0.3 = 50, good: 50 * 0