Mathematics, 04.02.2021 22:10 veronica25681

Stephanie adds pennies, nickels and quarters to a scale until the mass of the combined coins is 75 grams. Each penny has a ma each nickel has a mass of 5 grams and each quarter has a mass of 5.7 grams.
Create an equation to model this situation, where x is the number of pennies, y is the number of nickels and z is the number of
Stephanie can put on the scale so that the mass of the combined coins is exactly 75 gram

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