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Mathematics, 12.04.2021 16:30 f1refoxx

The cost of 4 boxes of envelopes and 5 boxes of notebook paper is $6.71. Five boxes of envelopes and 3 boxes of notebook paper cost $7.12. Find the cost of each.

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The cost of 4 boxes of envelopes and 5 boxes of notebook paper is $6.71. Five boxes of envelopes an...
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