705  Stamp
How many stamps? 2

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There are 230 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1170 cents. How many 7-cent stamps are there?



There are 200 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 760 cents. How many 5-cent stamps are there?



There are 200 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 730 cents. How many 4-cent stamps are there?



There are 180 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 790 cents. How many 4-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 970 cents. How many 8-cent stamps are there?



There are 220 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1640 cents. How many 8-cent stamps are there?



There are 170 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1160 cents. How many 8-cent stamps are there?



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There are 220 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 840 cents. How many 5-cent stamps are there?



There are 160 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 850 cents. How many 5-cent stamps are there?



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705    120 80 130 110 80 ( 520 )   100 70 80 90 110 ( 450 )   [[ 970 ]]