802  Stamp
How many stamps? 2

Name : _________________

 

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There are 200 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1410 cents. How many 6-cent stamps are there?



There are 220 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1430 cents. How many 4-cent stamps are there?



There are 140 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1060 cents. How many 8-cent stamps are there?



There are 230 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1160 cents. How many 6-cent stamps are there?



There are 220 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 800 cents. How many 3-cent stamps are there?



There are 160 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1350 cents. How many 8-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 960 cents. How many 3-cent stamps are there?



오늘 4원짜리 5원짜리 우표 총 190 장을 사고, 820 원을 지불 했을때, 몇개의 4원짜리 우표를 샀는가?



There are 180 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 980 cents. How many 6-cent stamps are there?



There are 130 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 930 cents. How many 6-cent stamps are there?



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802    130 110 80 120 150 ( 590 )   90 80 130 130 80 ( 510 )   [[ 1100 ]]