Mathematics, 17.12.2020 01:00 rafaellazaro60pcw3w5
• The first customer paid $12 for 14 postcards and 5 large envelopes.
• The second customer paid $24.80 for 10 postcards and 15 large envelopes.
What was the cost in dollars of each large envelope?
Answers: 3
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• The first customer paid $12 for 14 postcards and 5 large envelopes.
• The second customer paid $2...
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