There are about 5.28x108 people in North America. The area of the country is
1 answer:
Answer:
Each person will receive Land area = 0.467 millimeter
Step-by-step explanation:
Given as,
Total number of people in North America = 5.28 × 10^8
The area of the country is = 2.47 × 10² km = 2.47 × 10^5 meter
Now according to question , Land is divided equally among each people .
So, For 5.28×10^8 people , land available = 2.47×10^5 meter
Then For 1 people , land available =
Or , Land available = 4.67 × 10^-4 meter
or , = 0.467 millimeter
Hence for each person , Land available is 0.467 millimeter . Answer
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Answer
Find out the ratio of price to pound for each bag.
To prove
As given
A store sells grass seed in small bags and large bags.the small bags have 7 pounds of seed for $27.93 .
7 pound = $27.93
Now find out the cost for the 1 pound.
1 pound cost = $3.99
As given large bags cost $66.98.
Now find out pounds in the large bags.
Let us assume that the number of pounds in the large bags be x.
Than
3.99 × x = 66.98
x = 16.8 pounds (approx)
Now find out the ratio of price to pound for each bag.
As small bags weight = 7 pounds
Cost of the small bags = $27.93
As large bags weight = 16.8 pounds
Cost of the large bags = $66.98
Hence proved