822  Stamp
How many stamps? 1

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There are 240 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1590 cents. How many 8-cent stamps are there?



There are 180 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1090 cents. How many 8-cent stamps are there?



There are 230 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 930 cents. How many 5-cent stamps are there?



There are 150 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 960 cents. How many 8-cent stamps are there?



There are 210 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1240 cents. How many 4-cent stamps are there?



There are 150 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1210 cents. How many 7-cent stamps are there?



There are 200 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1210 cents. How many 5-cent stamps are there?



There are 160 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1080 cents. How many 8-cent stamps are there?



There are 260 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 900 cents. How many 3-cent stamps are there?



There are 220 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1530 cents. How many 4-cent stamps are there?



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822    130 110 120 70 110 ( 540 )   70 130 110 140 90 ( 540 )   [[ 1080 ]]