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Mathematics, 14.11.2019 03:31 PastyMexican24
Apost office sells first-class stamps and postcards stamps. for the year, the post office sold 7 first-class stamps for every 2 postcards stamps sold . the post office sold 46,260 stamps for a the year. how many of them were first-class stamps? how many were postcards stamps?
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Apost office sells first-class stamps and postcards stamps. for the year, the post office sold 7 fir...
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