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There are 210 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1180 cents. How many 6-cent stamps are there?
There are 160 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 580 cents. How many 4-cent stamps are there?
There are 210 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1170 cents. How many 6-cent stamps are there?
There are 250 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 1130 cents. How many 4-cent stamps are there?
There are 190 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1170 cents. How many 8-cent stamps are there?
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There are 240 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1530 cents. How many 5-cent stamps are there?
There are 160 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1040 cents. How many 8-cent stamps are there?
There are 210 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 870 cents. How many 5-cent stamps are there?
There are 240 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1530 cents. How many 8-cent stamps are there?
There are 240 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1290 cents. How many 5-cent stamps are there?
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