684  Stamp
How many stamps? 2

Name : _________________

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There are 190 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1280 cents. How many 6-cent stamps are there?



There are 190 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1260 cents. How many 7-cent stamps are there?



There are 240 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1480 cents. How many 8-cent stamps are there?



There are 270 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1920 cents. How many 8-cent stamps are there?



There are 230 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1640 cents. How many 8-cent stamps are there?

There are 140 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 630 cents. How many 5-cent stamps are there?



There are 250 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1370 cents. How many 6-cent stamps are there?



오늘 4원짜리 8원짜리 우표 총 200 장을 사고, 1240 원을 지불 했을때, 몇개의 4원짜리 우표를 샀는가?



There are 200 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1500 cents. How many 7-cent stamps are there?



There are 170 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1180 cents. How many 8-cent stamps are there?

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