122  Stamp
How many stamps? 2

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There are 230 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1620 cents. How many 6-cent stamps are there?



There are 150 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 930 cents. How many 3-cent stamps are there?



There are 200 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1360 cents. How many 8-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 980 cents. How many 3-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1170 cents. How many 3-cent stamps are there?

There are 180 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1000 cents. How many 5-cent stamps are there?



There are 140 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 970 cents. How many 8-cent stamps are there?



오늘 6원짜리 3원짜리 우표 총 160 장을 사고, 780 원을 지불 했을때, 몇개의 6원짜리 우표를 샀는가?



There are 210 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1360 cents. How many 7-cent stamps are there?



There are 270 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 1070 cents. How many 3-cent stamps are there?

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