The number of people who live in a unit of area is called the population density of the area. It usually given as people "per sq
uare mile" or "per square kilometer".
A map of the Orchard Hill Neighborhood is shown. The population of the Orchard Hill Neighborhood is 360 people. The lenght of each block is the same and the lenght of 20 blocks is 1 mile.
What is the area in square miles of Orchard Hill?
A. 0.35 square mile
B. 0.03 square mile
C. 0.15 square mile
D. 0.60 square mile
A map of the Orchard Hill Neighborhood is shown. The population of the Orchard Hill Neighborhood is 360 people. The lenght of each block is the same and the lenght of 20 blocks is 1 mile.
What is the area in square miles of Orchard Hill?
A. 0.35 square mile
B. 0.03 square mile
C. 0.15 square mile
D. 0.60 square mile
1 answer:
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Answer:
Step-by-step explanation:
Let that number be . We can build an equation, and solve for
.
less than half of
is
.
more than
is
.
We are given that the two quantities are equal, so we have that .
Adding to both sides gives
.
Multiplying both sides by gives
.
Subtracting from both sides gives
.
Multiplying both sides by gives
.
So, the number is and we're done!
The check is left as an exercise to the reader.