134  Stamp
How many stamps? 1

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There are 210 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 960 cents. How many 4-cent stamps are there?



There are 190 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 770 cents. How many 3-cent stamps are there?



There are 150 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 550 cents. How many 4-cent stamps are there?



There are 240 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 860 cents. How many 4-cent stamps are there?



There are 270 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1630 cents. How many 7-cent stamps are there?



There are 220 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1160 cents. How many 8-cent stamps are there?



There are 130 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 730 cents. How many 7-cent stamps are there?



There are 260 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 1110 cents. How many 3-cent stamps are there?



There are 180 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1510 cents. How many 8-cent stamps are there?



There are 270 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 2010 cents. How many 7-cent stamps are there?



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134    150 90 100 140 140 ( 620 )   100 70 150 110 150 ( 580 )   [[ 1200 ]]