676  Stamp
How many stamps? 1

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There are 180 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1260 cents. How many 6-cent stamps are there?



There are 210 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1290 cents. How many 5-cent stamps are there?



There are 200 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1000 cents. How many 8-cent stamps are there?



There are 150 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 630 cents. How many 5-cent stamps are there?



There are 220 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 960 cents. How many 6-cent stamps are there?



There are 260 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1950 cents. How many 7-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1250 cents. How many 8-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1150 cents. How many 3-cent stamps are there?



There are 160 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 940 cents. How many 4-cent stamps are there?



There are 250 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1300 cents. How many 3-cent stamps are there?



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676    120 90 80 90 100 ( 480 )   130 100 90 100 140 ( 560 )   [[ 1040 ]]