148  Stamp
How many stamps? 2

Name : _________________

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There are 210 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1590 cents. How many 7-cent stamps are there?



There are 250 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1990 cents. How many 7-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1750 cents. How many 8-cent stamps are there?



There are 210 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 990 cents. How many 7-cent stamps are there?



There are 190 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1090 cents. How many 7-cent stamps are there?

There are 260 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1940 cents. How many 7-cent stamps are there?



There are 230 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1290 cents. How many 7-cent stamps are there?



오늘 7원짜리 4원짜리 우표 총 230 장을 사고, 1220 원을 지불 했을때, 몇개의 7원짜리 우표를 샀는가?



There are 220 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1330 cents. How many 7-cent stamps are there?



There are 230 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 950 cents. How many 5-cent stamps are there?

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