414  Stamp
How many stamps? 2

Name : _________________

 

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There are 210 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1230 cents. How many 3-cent stamps are there?



There are 250 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1300 cents. How many 3-cent stamps are there?



There are 140 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 690 cents. How many 6-cent stamps are there?



There are 220 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 780 cents. How many 4-cent stamps are there?



There are 210 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 760 cents. How many 4-cent stamps are there?



There are 150 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 850 cents. How many 3-cent stamps are there?



There are 210 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1320 cents. How many 5-cent stamps are there?



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There are 210 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1360 cents. How many 6-cent stamps are there?



There are 260 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1450 cents. How many 6-cent stamps are there?



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414    90 140 90 120 130 ( 570 )   70 120 140 110 150 ( 590 )   [[ 1160 ]]