164  Stamp
How many stamps? 2

Name : _________________

 

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There are 220 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 800 cents. How many 3-cent stamps are there?



There are 240 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 1090 cents. How many 5-cent stamps are there?



There are 220 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1460 cents. How many 6-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1770 cents. How many 8-cent stamps are there?



There are 220 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1520 cents. How many 8-cent stamps are there?



There are 150 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 660 cents. How many 6-cent stamps are there?



There are 280 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1720 cents. How many 8-cent stamps are there?



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There are 240 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 920 cents. How many 3-cent stamps are there?



There are 200 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1200 cents. How many 5-cent stamps are there?



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164    150 130 150 120 100 ( 650 )   70 150 150 140 150 ( 660 )   [[ 1310 ]]