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Mathematics, 10.03.2021 22:20 5001Je

Stephanie adds pennies nickels and quarters to a scale until the mass of the combined coins is 75 grams. Each penny has a mass of 2.5 grams each nickel has a mass of 5 grams each quarter has a mass of 5.7 grams Create and equation to model this situation where x is the number of pennies y is the number of nickels and z is the number of quarters that Stephanie can put on the scale so that the mass of the combined coins exactly 75 grams

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Stephanie adds pennies nickels and quarters to a scale until the mass of the combined coins is 75 gr...
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