Answer:
s=6
Step-by-step explanation:
18/s = 3
Multiply each side by s
18/s *s = 3*s
18 =3s
Divide each side by 3
18/3 =3s/3
6 =s
Let x + 15 = total penguins
15/ (x +15) = .30
15 = .30x + 4.5
.30x = 10.5
x = 35
Total penguins = 15 + 35 = 50
Double Check
15 / 50 * 100 = 30% Correct!!!
This is an example hope this helps
Answer:
positive 200 or +200
Step-by-step explanation:
Answer:
Step-by-step explanation:
maybe 8 or 1/9