937  Stamp
How many stamps? 1

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There are 200 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 900 cents. How many 3-cent stamps are there?



There are 230 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 810 cents. How many 4-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 190 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1200 cents. How many 4-cent stamps are there?



There are 260 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1690 cents. How many 5-cent stamps are there?



There are 250 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 1230 cents. How many 3-cent stamps are there?



There are 220 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 960 cents. How many 4-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 870 cents. How many 3-cent stamps are there?



There are 200 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 920 cents. How many 4-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1410 cents. How many 8-cent stamps are there?



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937    140 120 130 80 130 ( 600 )   130 140 90 140 120 ( 620 )   [[ 1220 ]]