989  Stamp
How many stamps? 2

Name : _________________

 

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There are 240 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1290 cents. How many 5-cent stamps are there?



There are 170 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1040 cents. How many 4-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1760 cents. How many 8-cent stamps are there?



There are 250 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1270 cents. How many 7-cent stamps are there?



There are 240 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 1140 cents. How many 6-cent stamps are there?



There are 160 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 950 cents. How many 5-cent stamps are there?



There are 250 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1500 cents. How many 4-cent stamps are there?



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There are 160 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1040 cents. How many 7-cent stamps are there?



There are 220 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 1000 cents. How many 4-cent stamps are there?



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989    150 80 130 130 140 ( 630 )   110 150 150 80 100 ( 590 )   [[ 1220 ]]