263  Stamp
How many stamps? 2

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There are 130 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 860 cents. How many 8-cent stamps are there?



There are 240 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 1000 cents. How many 5-cent stamps are there?



There are 210 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1080 cents. How many 4-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1180 cents. How many 3-cent stamps are there?



There are 200 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1000 cents. How many 4-cent stamps are there?



There are 260 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1820 cents. How many 5-cent stamps are there?



There are 240 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1160 cents. How many 7-cent stamps are there?



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There are 230 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 850 cents. How many 3-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?



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263    70 140 150 100 150 ( 610 )   130 110 70 150 150 ( 610 )   [[ 1220 ]]