225  Stamp
How many stamps? 2

Name : _________________

 

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There are 180 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 930 cents. How many 7-cent stamps are there?



There are 160 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1100 cents. How many 8-cent stamps are there?



There are 250 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1800 cents. How many 6-cent stamps are there?



There are 190 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1030 cents. How many 6-cent stamps are there?



There are 210 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 970 cents. How many 4-cent stamps are there?



There are 190 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1240 cents. How many 7-cent stamps are there?



There are 260 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1960 cents. How many 8-cent stamps are there?



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There are 190 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1230 cents. How many 3-cent stamps are there?



There are 170 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 870 cents. How many 3-cent stamps are there?



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225    70 100 150 80 80 ( 480 )   100 140 120 80 110 ( 550 )   [[ 1030 ]]