496  Stamp
How many stamps? 1

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There are 220 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1260 cents. How many 3-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 210 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1590 cents. How many 7-cent stamps are there?



There are 160 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 840 cents. How many 6-cent stamps are there?



There are 180 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 990 cents. How many 5-cent stamps are there?



There are 230 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1090 cents. How many 7-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1610 cents. How many 8-cent stamps are there?



There are 260 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1480 cents. How many 8-cent stamps are there?



There are 140 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 740 cents. How many 4-cent stamps are there?



There are 190 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 850 cents. How many 5-cent stamps are there?



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496    100 80 90 100 90 ( 460 )   100 100 140 80 90 ( 510 )   [[ 970 ]]