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Mathematics, 21.06.2019 15:50
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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?
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Find the value of ax 4 ; a = 2, x = 1. select one: a. 2 b. 4 c. 1 d. 8
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