Mathematics, 04.01.2021 04:10 haddockc2689
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 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 quarters that Stephanie can put on the scale so that the mass of the combined coins is exactly 75 grams.
Answers: 3
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Stephanie adds pennies nickels and quarters to a
scale until the mass of the combined coins is 75...
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