282  Stamp
How many stamps? 2

Name : _________________

 

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There are 140 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1100 cents. How many 7-cent stamps are there?



There are 250 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 1050 cents. How many 3-cent stamps are there?



There are 170 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1200 cents. How many 6-cent stamps are there?



There are 260 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 1080 cents. How many 5-cent stamps are there?



There are 200 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1450 cents. How many 8-cent stamps are there?



There are 180 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1000 cents. How many 8-cent stamps are there?



There are 150 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 870 cents. How many 3-cent stamps are there?



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There are 120 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 810 cents. How many 8-cent stamps are there?



There are 240 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1770 cents. How many 7-cent stamps are there?



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282    80 150 110 150 150 ( 640 )   70 80 80 70 150 ( 450 )   [[ 1090 ]]