927  Stamp
How many stamps? 1

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There are 200 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1300 cents. How many 8-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 710 cents. How many 3-cent stamps are there?



There are 270 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1510 cents. How many 8-cent stamps are there?



There are 180 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1490 cents. How many 8-cent stamps are there?



There are 160 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1160 cents. How many 5-cent stamps are there?



There are 140 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 620 cents. How many 3-cent stamps are there?



There are 180 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 890 cents. How many 3-cent stamps are there?



There are 190 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 670 cents. How many 4-cent stamps are there?



There are 220 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1320 cents. How many 3-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 830 cents. How many 3-cent stamps are there?



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927    140 130 140 130 70 ( 610 )   90 110 100 110 110 ( 520 )   [[ 1130 ]]