686  Stamp
How many stamps? 2

Name : _________________

 

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There are 200 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1000 cents. How many 3-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1460 cents. How many 5-cent stamps are there?



There are 190 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1170 cents. How many 7-cent stamps are there?



There are 230 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1970 cents. How many 8-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 930 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?



There are 210 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1440 cents. How many 6-cent stamps are there?



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There are 150 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 960 cents. How many 8-cent stamps are there?



There are 210 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 850 cents. How many 5-cent stamps are there?



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686    120 100 110 100 150 ( 580 )   150 120 120 70 110 ( 570 )   [[ 1150 ]]