885  Stamp
How many stamps? 1

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There are 200 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1060 cents. How many 5-cent stamps are there?



There are 220 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1240 cents. How many 7-cent stamps are there?



There are 140 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 880 cents. How many 5-cent stamps are there?



There are 230 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1480 cents. How many 5-cent stamps are there?



There are 240 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1350 cents. How many 6-cent stamps are there?



There are 250 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1510 cents. How many 7-cent stamps are there?



There are 200 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1270 cents. How many 7-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1360 cents. How many 8-cent stamps are there?



There are 200 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1150 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?



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885    140 120 80 120 150 ( 610 )   130 70 130 110 80 ( 520 )   [[ 1130 ]]