989  Stamp
How many stamps? 1

Name : _________________

 

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There are 250 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1250 cents. How many 3-cent stamps are there?



There are 190 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1150 cents. How many 7-cent stamps are there?



There are 240 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 2010 cents. How many 8-cent stamps are there?



There are 260 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 2080 cents. How many 7-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 830 cents. How many 3-cent stamps are there?



There are 190 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1470 cents. How many 6-cent stamps are there?



There are 200 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1360 cents. How many 5-cent stamps are there?



There are 160 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 660 cents. How many 3-cent stamps are there?



There are 170 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1120 cents. How many 6-cent stamps are there?



There are 190 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 1050 cents. How many 3-cent stamps are there?



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989    150 100 150 130 110 ( 640 )   80 110 70 70 70 ( 400 )   [[ 1040 ]]