Mathematics, 10.02.2021 17:10 KariSupreme

2 Stephanie adds pennies and nickels to a scale until the mass of the combined coins is 75 grams. Each penny has a mass of 2.5 grams and each nickel has a
mass of 5 grams
Create an equation to model this situation, where is the number of pennies and y is the number of nickels that Stephanie can put on the scale so that the
mass of the combined coins is exactly 75 grams

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