Respuesta :

S=4.  if r=10 than it would be 3(10)= 10+5s.

30=10+5s

20=5s

s=4

chocolateglass
The value of S is going to be 4

3(10)=10+5s
30=10+5s
30-10 = 20
20/5 = 4
So your answer is going to be 4