Question
The average age of a group of fitters and teachers is 39. If the average age of the fitters is 37 years and that of the teachers is 47 years, what is the ratio of the number of fitters to teachers?
2 m

Click button first when a symbol is required. X

The average age of a group of fitters and teachers is 39. If the average age of the fitters is 37 years and that of the teachers is 47 years, what is the ratio of the number of fitters to teachers?