I need help with with this I will mark if correct
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Mathematics, 21.06.2019 17:30
Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?
Answers: 1
Mathematics, 06.05.2020 23:11
Mathematics, 06.05.2020 23:11
Mathematics, 06.05.2020 23:11
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