618  Stamp
How many stamps? 2

Name : _________________

 

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There are 170 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1030 cents. How many 5-cent stamps are there?



There are 120 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 730 cents. How many 4-cent stamps are there?



There are 150 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 650 cents. How many 3-cent stamps are there?



There are 130 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 630 cents. How many 6-cent stamps are there?



There are 150 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 520 cents. How many 4-cent stamps are there?



There are 190 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1020 cents. How many 6-cent stamps are there?



There are 150 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 980 cents. How many 6-cent stamps are there?



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There are 220 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 800 cents. How many 4-cent stamps are there?



There are 270 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1710 cents. How many 5-cent stamps are there?



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618    110 70 100 80 70 ( 430 )   130 70 130 140 150 ( 620 )   [[ 1050 ]]