776  Stamp
How many stamps? 1

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There are 210 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1500 cents. How many 6-cent stamps are there?



There are 150 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1120 cents. How many 8-cent stamps are there?



There are 240 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1310 cents. How many 6-cent stamps are there?



There are 180 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 930 cents. How many 4-cent stamps are there?



There are 170 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 610 cents. How many 3-cent stamps are there?



There are 180 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 990 cents. How many 8-cent stamps are there?



There are 130 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 540 cents. How many 3-cent stamps are there?



There are 150 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 850 cents. How many 8-cent stamps are there?



There are 230 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 1020 cents. How many 4-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?



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776    130 70 110 110 120 ( 540 )   90 80 80 130 110 ( 490 )   [[ 1030 ]]