202  Stamp
How many stamps? 1

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There are 190 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 960 cents. How many 6-cent stamps are there?



There are 140 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 820 cents. How many 8-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1240 cents. How many 5-cent stamps are there?



There are 200 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 800 cents. How many 5-cent stamps are there?



There are 230 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1760 cents. How many 8-cent stamps are there?



There are 180 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1420 cents. How many 7-cent stamps are there?



There are 150 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 990 cents. How many 5-cent stamps are there?



There are 150 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1170 cents. How many 7-cent stamps are there?



There are 170 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1150 cents. How many 5-cent stamps are there?



There are 180 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 640 cents. How many 3-cent stamps are there?



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202    100 80 150 100 150 ( 580 )   100 70 90 70 130 ( 460 )   [[ 1040 ]]