Question
The average age of a group of fitters and teachers is 49. If the average age of the fitters is 47 years and that of the teachers is 59 years, what is the ratio of the number of teachers to fitters?
2 m

Click button first when a symbol is required. X

The average age of a group of fitters and teachers is 49. If the average age of the fitters is 47 years and that of the teachers is 59 years, what is the ratio of the number of teachers to fitters?