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Mathematics, 10.11.2020 18:50 huangjianhe135

Mr. T's piggy bank has all nickels and dimes. The total value of the money in the piggy bank is $7.80. If Mr. T's piggy bank has 66 nickels, write and solve a linear equation to find the number of dimes in the piggy bank.

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Mr. T's piggy bank has all nickels and dimes. The total value of the money in the piggy bank is $7.8...
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