652  Stamp
How many stamps? 1

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There are 220 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1210 cents. How many 6-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 920 cents. How many 8-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 240 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1330 cents. How many 6-cent stamps are there?



There are 150 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1270 cents. How many 8-cent stamps are there?



There are 200 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 980 cents. How many 6-cent stamps are there?



There are 180 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 800 cents. How many 4-cent stamps are there?



There are 240 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 1020 cents. How many 3-cent stamps are there?



There are 180 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 680 cents. How many 5-cent stamps are there?



There are 140 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 760 cents. How many 4-cent stamps are there?



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652    110 70 90 130 80 ( 480 )   90 100 140 70 90 ( 490 )   [[ 970 ]]