192  Stamp
How many stamps? 2

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There are 190 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1060 cents. How many 6-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 660 cents. How many 3-cent stamps are there?



There are 210 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1110 cents. How many 7-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1270 cents. How many 8-cent stamps are there?



There are 260 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 2060 cents. How many 7-cent stamps are there?



There are 240 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1710 cents. How many 6-cent stamps are there?



There are 150 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 650 cents. How many 5-cent stamps are there?



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There are 230 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 1050 cents. How many 5-cent stamps are there?



There are 200 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1080 cents. How many 6-cent stamps are there?



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192    110 140 90 140 140 ( 620 )   150 100 150 130 140 ( 670 )   [[ 1290 ]]