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Using the linear rate data provided and using simple unitary method, The answer is $150.
What do you mean by linear relationship?
A straight-line link between two variables is referred to statistically as a linear relationship (or linear association).
What do you mean by data?
In mathematics, data is a collection of facts and figures that can take any shape, whether it be numerical or not. You can calculate numerical data, which is always gathered in number form and includes things like student test results, employee salaries, football team member heights, etc.
Total balance after 6 months = $750
Rate = $100 per month
Time = 6 months
Balance deposited at the rate in 6 months = 100 * 6
=$600
Initial Balance = $750 - $600
=$150
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