Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions

In a class there are x seats. If each student occupies one seat, 9 students remain standing and if two students occupy one seat, 7 seats are left empty.

Then, the number of seats in the class is

(A)23 (B)32 (C)18 (D)21


No. of seats x
  let no. of student be y
ATQ   x=y-9                     ----(1)
and     y/2=x-7 ⇒y=2x-14  ----(2)
Substituting value of y in (1)
We have x=2x-14-9
that gives x=23
0 0 0
Mark as the best please................
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts