627  Stamp
How many stamps? 1

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There are 190 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1060 cents. How many 6-cent stamps are there?



There are 280 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 2090 cents. How many 7-cent stamps are there?



There are 230 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1240 cents. How many 3-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1620 cents. How many 8-cent stamps are there?



There are 220 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1680 cents. How many 7-cent stamps are there?



There are 240 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1320 cents. How many 4-cent stamps are there?



There are 220 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1260 cents. How many 7-cent stamps are there?



There are 210 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1340 cents. How many 4-cent stamps are there?



There are 180 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1330 cents. How many 8-cent stamps are there?



There are 260 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1930 cents. How many 7-cent stamps are there?



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627    110 150 120 90 150 ( 620 )   150 150 110 70 150 ( 630 )   [[ 1250 ]]