334  Stamp
How many stamps? 1

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There are 130 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 800 cents. How many 5-cent stamps are there?



There are 250 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1740 cents. How many 8-cent stamps are there?



There are 170 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1010 cents. How many 5-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 940 cents. How many 5-cent stamps are there?



There are 220 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1620 cents. How many 7-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1280 cents. How many 8-cent stamps are there?



There are 180 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 960 cents. How many 3-cent stamps are there?



There are 250 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 1300 cents. How many 4-cent stamps are there?



There are 190 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1000 cents. How many 4-cent stamps are there?



There are 240 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 990 cents. How many 3-cent stamps are there?



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334    80 120 90 140 140 ( 570 )   70 110 150 130 150 ( 610 )   [[ 1180 ]]