Using proportions, it is found that there are c + 0.25n cents in n nickels and c cents.
A proportion is a fraction of a total amount. To solve problems involving proportions, such as this one, multiplications of the amounts and their values are made.
In this problem, we consider that each nickel has 0.25 cents, hence, there are c + 0.25n cents in n nickels and c cents.
More can be learned about proportions at https://brainly.com/question/24372153
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