828  Stamp
How many stamps? 2

Name : _________________

 

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There are 250 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 1110 cents. How many 3-cent stamps are there?



There are 140 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 840 cents. How many 8-cent stamps are there?



There are 240 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1290 cents. How many 7-cent stamps are there?



There are 170 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 790 cents. How many 5-cent stamps are there?



There are 210 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1320 cents. How many 4-cent stamps are there?



There are 220 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1630 cents. How many 7-cent stamps are there?



There are 250 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1610 cents. How many 5-cent stamps are there?



오늘 4원짜리 6원짜리 우표 총 210 장을 사고, 1080 원을 지불 했을때, 몇개의 4원짜리 우표를 샀는가?



There are 190 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1280 cents. How many 6-cent stamps are there?



There are 230 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1090 cents. How many 7-cent stamps are there?



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828    130 70 110 110 90 ( 510 )   130 130 90 120 100 ( 570 )   [[ 1080 ]]