205  Stamp
How many stamps? 1

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There are 190 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1380 cents. How many 6-cent stamps are there?



There are 160 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1010 cents. How many 5-cent stamps are there?



There are 260 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1590 cents. How many 4-cent stamps are there?



There are 180 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1020 cents. How many 7-cent stamps are there?



There are 240 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 2020 cents. How many 8-cent stamps are there?



There are 240 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1270 cents. How many 3-cent stamps are there?



There are 200 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1580 cents. How many 7-cent stamps are there?



There are 180 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 890 cents. How many 8-cent stamps are there?



There are 200 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 1020 cents. How many 6-cent stamps are there?



There are 130 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 630 cents. How many 3-cent stamps are there?



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205    70 90 150 100 140 ( 550 )   130 110 70 140 70 ( 520 )   [[ 1070 ]]