Question

Three-eighths of the teachers at Naran's school are men, and 30 of the teachers are women. (Each teacher is either a man or a woman.)
How many teachers are there at Naran's school?

Answer 1

48 teachers     30 w  18 m

5/8=30

3/8=x

5/8 x =3/8 30

remove 8 from both sides

5x=90

x=18