870  Stamp
How many stamps? 2

Name : _________________

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There are 260 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1950 cents. How many 7-cent stamps are there?



There are 200 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1330 cents. How many 8-cent stamps are there?



There are 170 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 760 cents. How many 3-cent stamps are there?



There are 170 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1050 cents. How many 3-cent stamps are there?



There are 240 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1440 cents. How many 3-cent stamps are there?

There are 230 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1720 cents. How many 7-cent stamps are there?



There are 200 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1480 cents. How many 8-cent stamps are there?



오늘 5원짜리 7원짜리 우표 총 220 장을 사고, 1340 원을 지불 했을때, 몇개의 5원짜리 우표를 샀는가?



There are 250 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 2120 cents. How many 8-cent stamps are there?



There are 170 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1200 cents. How many 6-cent stamps are there?

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