692  Stamp
How many stamps? 1

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There are 190 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1260 cents. How many 7-cent stamps are there?



There are 180 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 780 cents. How many 3-cent stamps are there?



There are 130 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 860 cents. How many 8-cent stamps are there?



There are 200 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1280 cents. How many 5-cent stamps are there?



There are 160 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 950 cents. How many 5-cent stamps are there?



There are 230 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1520 cents. How many 4-cent stamps are there?



There are 260 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1480 cents. How many 8-cent stamps are there?



There are 180 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1100 cents. How many 5-cent stamps are there?



There are 120 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 790 cents. How many 7-cent stamps are there?



There are 250 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1600 cents. How many 8-cent stamps are there?



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692    120 120 70 130 110 ( 550 )   110 140 80 70 150 ( 550 )   [[ 1100 ]]