988  Stamp
How many stamps? 1

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There are 230 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1240 cents. How many 4-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 1080 cents. How many 3-cent stamps are there?



There are 220 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1380 cents. How many 7-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1490 cents. How many 5-cent stamps are there?



There are 190 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1260 cents. How many 6-cent stamps are there?



There are 140 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 870 cents. How many 8-cent stamps are there?



There are 230 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1370 cents. How many 7-cent stamps are there?



There are 200 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1350 cents. How many 8-cent stamps are there?



There are 220 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 1080 cents. How many 6-cent stamps are there?



There are 240 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1510 cents. How many 4-cent stamps are there?



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988    150 80 140 90 130 ( 590 )   90 150 150 140 130 ( 660 )   [[ 1250 ]]