Concept explainers
1.
To calculate: the time of simple interest when
Time of simple interest is 13
Given information:
Concept Used:
Simple interest problem requires the use of the following formula:
Calculation:
As per the given problem
Substitute the values in the formula
Time of simple interest is
Conclusion:
Time of simple interest is
2.
To calculate:
The principal amount when
The principal amount is
Given information:
Concept Used:
Simple interest problem requires the use of the following formula:
Calculation:
As per the given problem,
Substitute the values in the formula
The principal amount is
Conclusion:
The principal amount is
3.
To calculate:
The Interest rate
The rate of interest is
Given information:
Concept Used:
Simple interest problem requires the use of the following formula:
Calculation:
As per the given problem,
Substitute the values in the formula
The rate of interest is
Conclusion:
The rate of interest is
Chapter 7 Solutions
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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