Mathematics, 29.10.2020 21:40 payshencec21

Brianna has xx nickels and yy pennies. She has no less than 20 coins worth no more than $0.80 combined. Solve this system of inequalities graphically and determine one possible solution.

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Brianna has xx nickels and yy pennies. She has no less than 20 coins worth no more than $0.80 combin...