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As a birthday gift, Zoey gave her niece an electronic piggy bank that displays the total amount of money

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in the bank as well as the tottal number of coins

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After depositing some number of nickels and quarters only so we have only nickels and quarters, the display read.

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Money $2 Number of coins 16

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How many nickels and quarters did Zoey put in the bank

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So lets define some variables here lets let n= the number of nickels and lets let q be

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= to the number of quarters the number of quarters

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the number of quarters so how many many total coins do well it's gonna be the number of nickels + the number of quarters