219  Stamp
How many stamps? 1

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There are 200 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1390 cents. How many 5-cent stamps are there?



There are 220 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1620 cents. How many 7-cent stamps are there?



There are 280 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 1100 cents. How many 3-cent stamps are there?



There are 190 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 960 cents. How many 6-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1580 cents. How many 5-cent stamps are there?



There are 250 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1950 cents. How many 7-cent stamps are there?



There are 180 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 870 cents. How many 3-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1400 cents. How many 8-cent stamps are there?



There are 170 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1010 cents. How many 8-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 990 cents. How many 5-cent stamps are there?



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219    70 140 150 100 100 ( 560 )   150 70 70 100 110 ( 500 )   [[ 1060 ]]