There are 400 seats in a auditorium.the students are using 3/5 of the seats and the teachers are using 60 seats.How many seats are not being used ?

Respuesta :

Answer:

100 seats aren't being used.

Step-By-Step-Explanation:

3/5 of 400 is 240

240 + 60 (teacher seats) = 300

300 seats are used

100 seats aren't

:)