262  Stamp
How many stamps? 1

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There are 130 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 890 cents. How many 5-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1420 cents. How many 8-cent stamps are there?



There are 190 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1150 cents. How many 7-cent stamps are there?



There are 170 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 920 cents. How many 7-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 770 cents. How many 3-cent stamps are there?



There are 260 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1740 cents. How many 5-cent stamps are there?



There are 190 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1360 cents. How many 4-cent stamps are there?



There are 200 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1300 cents. How many 7-cent stamps are there?



There are 240 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1410 cents. How many 7-cent stamps are there?



There are 190 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 900 cents. How many 6-cent stamps are there?



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262    70 140 130 80 140 ( 560 )   150 70 100 150 110 ( 580 )   [[ 1140 ]]