354  Stamp
How many stamps? 2

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There are 160 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 720 cents. How many 5-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 1020 cents. How many 5-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1470 cents. How many 8-cent stamps are there?



There are 190 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 660 cents. How many 3-cent stamps are there?



There are 260 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 900 cents. How many 3-cent stamps are there?



There are 260 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 1400 cents. How many 4-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 1030 cents. How many 5-cent stamps are there?



오늘 3원짜리 5원짜리 우표 총 170 장을 사고, 670 원을 지불 했을때, 몇개의 3원짜리 우표를 샀는가?



There are 200 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1080 cents. How many 6-cent stamps are there?



There are 130 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 790 cents. How many 8-cent stamps are there?



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