366  Stamp
How many stamps? 1

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There are 180 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1240 cents. How many 8-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 750 cents. How many 3-cent stamps are there?



There are 170 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 880 cents. How many 4-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 160 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 910 cents. How many 4-cent stamps are there?



There are 150 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 870 cents. How many 3-cent stamps are there?



There are 200 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1440 cents. How many 5-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1440 cents. How many 8-cent stamps are there?



There are 180 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 640 cents. How many 3-cent stamps are there?



There are 200 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1150 cents. How many 6-cent stamps are there?



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366    80 150 70 110 70 ( 480 )   80 90 130 80 150 ( 530 )   [[ 1010 ]]