320  Stamp
How many stamps? 2

Name : _________________

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There are 160 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 960 cents. How many 7-cent stamps are there?



There are 280 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1980 cents. How many 8-cent stamps are there?



There are 160 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 830 cents. How many 8-cent stamps are there?



There are 240 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1790 cents. How many 8-cent stamps are there?



There are 220 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1480 cents. How many 8-cent stamps are there?

There are 120 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1010 cents. How many 8-cent stamps are there?



There are 170 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 590 cents. How many 4-cent stamps are there?



오늘 5원짜리 6원짜리 우표 총 180 장을 사고, 990 원을 지불 했을때, 몇개의 5원짜리 우표를 샀는가?



There are 260 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1710 cents. How many 7-cent stamps are there?



There are 140 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1050 cents. How many 7-cent stamps are there?

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