792  Stamp
How many stamps? 1

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There are 260 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1560 cents. How many 8-cent stamps are there?



There are 190 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1270 cents. How many 5-cent stamps are there?



There are 150 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 800 cents. How many 6-cent stamps are there?



There are 180 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1200 cents. How many 3-cent stamps are there?



There are 210 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1410 cents. How many 5-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 200 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 740 cents. How many 4-cent stamps are there?



There are 170 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 920 cents. How many 4-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1410 cents. How many 8-cent stamps are there?



There are 190 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 930 cents. How many 6-cent stamps are there?



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792    130 110 100 70 120 ( 530 )   90 140 110 80 120 ( 540 )   [[ 1070 ]]