Anna will pay $16.39 for all of the groceries :)
Answer:
The percentage of 513000 by 488800 is 2507544000
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!!!
