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15 postcards and 10 envelopes cost 1 dollar and 70 cents. An envelope is 2 cents more expensive than a postcard. What is the price
15 postcards and 10 envelopes cost 1 dollar and 70 cents. An envelope is 2 cents more expensive than a postcard. What is the price of the postcard and the envelope?
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Lets denote the cost of a postcard as x cents Since an e...
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Marketing An Introduction
Authors: Philip Kotler, Valerie Trifts, Lilly Gary Armstrong
5th Canadian edition
133581586, 978-0133373141, 133373142, 978-0133508796, 013350879X, 978-0133581584
