204  Stamp
How many stamps? 2

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There are 130 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 530 cents. How many 5-cent stamps are there?



There are 170 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 730 cents. How many 4-cent stamps are there?



There are 220 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1590 cents. How many 6-cent stamps are there?



There are 250 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1300 cents. How many 6-cent stamps are there?



There are 200 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1120 cents. How many 4-cent stamps are there?



There are 250 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 1050 cents. How many 3-cent stamps are there?



There are 250 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 1330 cents. How many 4-cent stamps are there?



오늘 6원짜리 4원짜리 우표 총 250 장을 사고, 1260 원을 지불 했을때, 몇개의 6원짜리 우표를 샀는가?



There are 250 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 2130 cents. How many 8-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 950 cents. How many 3-cent stamps are there?



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204    70 120 130 150 120 ( 590 )   150 140 130 120 130 ( 670 )   [[ 1260 ]]