Respuesta :

kookiesgamer

Answer:

Suppose there are x students,

a) 4 pencils  x students+20 (*=multiplication)

b) 5 pencilsx students+10

But a = b so

4x+20=5x+10

x=10

4 10+20 or 5 10+10 = 60 pencils.

Hope it helps!!!

Brainliest pls!!!