950  Stamp
How many stamps? 2

Name : _________________

 

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There are 200 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1360 cents. How many 8-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1200 cents. How many 5-cent stamps are there?



There are 190 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1200 cents. How many 6-cent stamps are there?



There are 230 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1740 cents. How many 8-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1160 cents. How many 8-cent stamps are there?



There are 200 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1180 cents. How many 7-cent stamps are there?



There are 220 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1650 cents. How many 8-cent stamps are there?



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There are 160 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1120 cents. How many 6-cent stamps are there?



There are 270 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 1340 cents. How many 4-cent stamps are there?



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950    140 120 130 130 80 ( 600 )   90 110 140 80 140 ( 560 )   [[ 1160 ]]