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Mathematics, 03.08.2019 23:40 winterblanco
15 postcards, 10 envelopes, and a notepad cost 1 dollar and 68 cents. the envelope is 8 times cheaper than the notepad and 2 cents more expensive than the postcard. what is the price of the postcard, the envelope and the notepad?
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15 postcards, 10 envelopes, and a notepad cost 1 dollar and 68 cents. the envelope is 8 times cheape...
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