346  Stamp
How many stamps? 2

Name : _________________

 

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There are 180 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1140 cents. How many 3-cent stamps are there?



There are 180 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 680 cents. How many 5-cent stamps are there?



There are 160 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 880 cents. How many 3-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 890 cents. How many 3-cent stamps are there?



There are 210 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1200 cents. How many 7-cent stamps are there?



There are 190 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 970 cents. How many 7-cent stamps are there?



There are 210 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1380 cents. How many 6-cent stamps are there?



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There are 170 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1080 cents. How many 6-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1800 cents. How many 8-cent stamps are there?



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346    80 70 80 80 120 ( 430 )   70 150 70 110 90 ( 490 )   [[ 920 ]]