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Mathematics, 06.09.2019 04:20 amandarenee4296

You have a total of 21 coins, all nickels and dimes. the total value is $1.70. how many nickels and how many dimes do you have?
solve using a system of equations.
substitution or elimination,
. i've been really stuck with word problems

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You have a total of 21 coins, all nickels and dimes. the total value is $1.70. how many nickels and...
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