Answer:
Sam is 6, Destiny is 17
Step-by-step explanation:
(2xS)+5=D
D+S=23
Answer: Approximately 390,244 people per square mile
Work Shown:
Density = population/area
Density = (8 million people)/(20.5 square miles)
Density = 390,243.9024 approximately
This rounds to 390,244 since we're talking about the number of people.
The answer is 51. This is because if you 15 is added then you multiply by the 10
