184  Stamp
How many stamps? 2

Name : _________________

 

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There are 160 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 820 cents. How many 4-cent stamps are there?



There are 200 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 900 cents. How many 4-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1200 cents. How many 3-cent stamps are there?



There are 270 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1730 cents. How many 4-cent stamps are there?



There are 140 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 800 cents. How many 5-cent stamps are there?



There are 120 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 460 cents. How many 3-cent stamps are there?



There are 220 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1680 cents. How many 8-cent stamps are there?



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There are 240 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1590 cents. How many 5-cent stamps are there?



There are 250 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1700 cents. How many 6-cent stamps are there?



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184    100 150 100 140 90 ( 580 )   70 140 150 110 150 ( 620 )   [[ 1200 ]]