212  Stamp
How many stamps? 1

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There are 200 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 940 cents. How many 6-cent stamps are there?



There are 230 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 990 cents. How many 5-cent stamps are there?



There are 260 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1690 cents. How many 8-cent stamps are there?



There are 200 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1200 cents. How many 7-cent stamps are there?



There are 240 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 990 cents. How many 3-cent stamps are there?



There are 210 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 920 cents. How many 5-cent stamps are there?



There are 140 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 800 cents. How many 5-cent stamps are there?



There are 230 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1400 cents. How many 8-cent stamps are there?



There are 190 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 810 cents. How many 5-cent stamps are there?



There are 240 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1550 cents. How many 6-cent stamps are there?



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