943  Stamp
How many stamps? 2

Name : _________________

 

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There are 270 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 1070 cents. How many 3-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?



There are 160 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 910 cents. How many 6-cent stamps are there?



There are 190 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 670 cents. How many 4-cent stamps are there?



There are 140 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 700 cents. How many 3-cent stamps are there?



There are 220 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1380 cents. How many 3-cent stamps are there?



There are 190 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1210 cents. How many 4-cent stamps are there?



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There are 180 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 630 cents. How many 4-cent stamps are there?



There are 170 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1350 cents. How many 7-cent stamps are there?



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943    140 150 110 100 70 ( 570 )   100 100 110 90 90 ( 490 )   [[ 1060 ]]