756  Stamp
How many stamps? 1

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There are 180 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1260 cents. How many 6-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 800 cents. How many 3-cent stamps are there?



There are 170 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 750 cents. How many 3-cent stamps are there?



There are 240 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 2010 cents. How many 8-cent stamps are there?



There are 240 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1320 cents. How many 8-cent stamps are there?

There are 200 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 880 cents. How many 3-cent stamps are there?



There are 200 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1160 cents. How many 7-cent stamps are there?



There are 180 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1260 cents. How many 8-cent stamps are there?



There are 250 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1530 cents. How many 7-cent stamps are there?



There are 170 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1120 cents. How many 8-cent stamps are there?

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