534  Stamp
How many stamps? 2

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There are 210 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 830 cents. How many 5-cent stamps are there?



There are 260 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 1220 cents. How many 3-cent stamps are there?



There are 250 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1280 cents. How many 6-cent stamps are there?



There are 230 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1290 cents. How many 3-cent stamps are there?



There are 160 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1060 cents. How many 6-cent stamps are there?



There are 170 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1220 cents. How many 8-cent stamps are there?



There are 160 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 660 cents. How many 5-cent stamps are there?



오늘 8원짜리 7원짜리 우표 총 230 장을 사고, 1760 원을 지불 했을때, 몇개의 8원짜리 우표를 샀는가?



There are 180 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 900 cents. How many 6-cent stamps are there?



There are 180 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1190 cents. How many 8-cent stamps are there?



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