Concept explainers
a.
To calculate: The percent of the Great Lakes that is covered by Lake Erie.
a.
Answer to Problem 26PPS
Lake Erie covers about
Explanation of Solution
Given:
The table shows the area of the Great Lakes
Lake | Area (square miles) |
Erie | 9922 |
Huron | 23,011 |
Michigan | 22,316 |
Ontario | 7320 |
Superior | 31,698 |
Calculation:
Total area of the Great Lakes
Area of Lake Erie
Therefore, percentage of the Great Lakes covered by Lake Erie
Rounding to the nearest hundredth
Conclusion:
Lake Erie covers about
b.
To calculate: The percent of the Great Lakes that is covered by Lake Huron.
b.
Answer to Problem 26PPS
Lake Huron covers about
Explanation of Solution
Given:
The table shows the area of the Great Lakes
Lake | Area (square miles) |
Erie | 9922 |
Huron | 23,011 |
Michigan | 22,316 |
Ontario | 7320 |
Superior | 31,698 |
Calculation:
Total area of the Great Lakes
Area of Lake Huron
Therefore, percentage of the Great Lakes covered by Lake Erie
Rounding to the nearest hundredth
Conclusion:
Lake Huron covers about
c.
To calculate:The new area of Lake Michigan
c.
Answer to Problem 26PPS
Lake Michigan’s new area is
Explanation of Solution
Given:
The area of Lake Michigan was decreased by 8%.
Calculation:
Previous area of Lake Michigan
Area decreased by 8%
Then, present area of Lake Michigan
Conclusion:
Lake Michigan’s new area is
Chapter 7 Solutions
Pre-Algebra Student Edition
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