966  Stamp
How many stamps? 1

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There are 210 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1400 cents. How many 8-cent stamps are there?



There are 250 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1480 cents. How many 8-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1280 cents. How many 8-cent stamps are there?



There are 210 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1210 cents. How many 7-cent stamps are there?



There are 200 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1390 cents. How many 8-cent stamps are there?



There are 270 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 2290 cents. How many 8-cent stamps are there?



There are 230 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1480 cents. How many 8-cent stamps are there?



There are 150 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1000 cents. How many 7-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 980 cents. How many 3-cent stamps are there?



There are 230 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1270 cents. How many 6-cent stamps are there?



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966    140 120 130 80 130 ( 600 )   140 140 100 140 120 ( 640 )   [[ 1240 ]]