178  Stamp
How many stamps? 2

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There are 180 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 750 cents. How many 6-cent stamps are there?



There are 210 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1160 cents. How many 4-cent stamps are there?



There are 170 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 900 cents. How many 5-cent stamps are there?



There are 240 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 850 cents. How many 4-cent stamps are there?



There are 240 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1420 cents. How many 8-cent stamps are there?

There are 200 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 800 cents. How many 3-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 900 cents. How many 3-cent stamps are there?



오늘 3원짜리 6원짜리 우표 총 270 장을 사고, 1170 원을 지불 했을때, 몇개의 3원짜리 우표를 샀는가?



There are 210 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1290 cents. How many 5-cent stamps are there?



There are 260 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1840 cents. How many 8-cent stamps are there?

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