Question

The number of students in the period 7 study hall at jins school is 4 times the number of students in Jin’s home room how many students are in the study hall if there are 16 students in Jin’s home room

Answer 1

I think it's 64. Not positive, but pretty sure it is. 

Answer 2

She has 16 students in her home room
The study hall is 4 times as many

4*16 = 64
There must be 64 students in the study hall.