528  Stamp
How many stamps? 2

Name : _________________

 

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There are 160 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 760 cents. How many 4-cent stamps are there?



There are 170 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1270 cents. How many 8-cent stamps are there?



There are 150 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 900 cents. How many 5-cent stamps are there?



There are 190 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1410 cents. How many 7-cent stamps are there?



There are 180 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1200 cents. How many 6-cent stamps are there?



There are 210 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1110 cents. How many 5-cent stamps are there?



There are 170 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1200 cents. How many 8-cent stamps are there?



오늘 7원짜리 8원짜리 우표 총 270 장을 사고, 2010 원을 지불 했을때, 몇개의 7원짜리 우표를 샀는가?



There are 200 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1320 cents. How many 5-cent stamps are there?



There are 220 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1560 cents. How many 6-cent stamps are there?



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528    100 80 100 110 120 ( 510 )   150 90 150 120 140 ( 650 )   [[ 1160 ]]