709  Stamp
How many stamps? 2

Name : _________________

 

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There are 200 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1440 cents. How many 6-cent stamps are there?



There are 230 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1350 cents. How many 7-cent stamps are there?



There are 200 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1220 cents. How many 7-cent stamps are there?



There are 130 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 540 cents. How many 3-cent stamps are there?



There are 160 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1330 cents. How many 8-cent stamps are there?



There are 220 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1860 cents. How many 8-cent stamps are there?



There are 140 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 630 cents. How many 5-cent stamps are there?



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There are 180 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1330 cents. How many 7-cent stamps are there?



There are 280 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1770 cents. How many 4-cent stamps are there?



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709    120 100 110 80 110 ( 520 )   120 70 120 110 150 ( 570 )   [[ 1090 ]]