393  Stamp
How many stamps? 2

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There are 190 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1130 cents. How many 7-cent stamps are there?



There are 120 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 410 cents. How many 3-cent stamps are there?



There are 180 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1120 cents. How many 4-cent stamps are there?



There are 180 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1320 cents. How many 8-cent stamps are there?



There are 160 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 750 cents. How many 3-cent stamps are there?



There are 220 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1230 cents. How many 6-cent stamps are there?



There are 210 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1150 cents. How many 7-cent stamps are there?



오늘 8원짜리 4원짜리 우표 총 180 장을 사고, 1040 원을 지불 했을때, 몇개의 8원짜리 우표를 샀는가?



There are 180 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1090 cents. How many 8-cent stamps are there?



There are 170 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1240 cents. How many 7-cent stamps are there?



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