869  Stamp
How many stamps? 1

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There are 230 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1340 cents. How many 8-cent stamps are there?



There are 230 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 830 cents. How many 4-cent stamps are there?



There are 280 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1940 cents. How many 6-cent stamps are there?



There are 140 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 880 cents. How many 5-cent stamps are there?



There are 160 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 640 cents. How many 3-cent stamps are there?



There are 190 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1010 cents. How many 5-cent stamps are there?



There are 130 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 530 cents. How many 5-cent stamps are there?



There are 180 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1300 cents. How many 6-cent stamps are there?



There are 180 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 900 cents. How many 3-cent stamps are there?



There are 190 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1210 cents. How many 7-cent stamps are there?



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869    130 140 150 80 80 ( 580 )   130 70 70 90 70 ( 430 )   [[ 1010 ]]