653  Stamp
How many stamps? 1

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There are 190 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 870 cents. How many 5-cent stamps are there?



There are 190 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1190 cents. How many 7-cent stamps are there?



There are 250 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1400 cents. How many 8-cent stamps are there?



There are 200 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1240 cents. How many 7-cent stamps are there?



There are 240 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1790 cents. How many 8-cent stamps are there?



There are 160 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 960 cents. How many 5-cent stamps are there?



There are 150 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 900 cents. How many 4-cent stamps are there?



There are 230 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1280 cents. How many 6-cent stamps are there?



There are 150 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 670 cents. How many 4-cent stamps are there?



There are 280 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1420 cents. How many 6-cent stamps are there?



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653    110 120 130 120 110 ( 590 )   80 90 130 80 150 ( 530 )   [[ 1120 ]]