798  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 1630 cents. How many 7-cent stamps are there?



There are 150 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1100 cents. How many 7-cent stamps are there?



There are 200 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 1040 cents. How many 4-cent stamps are there?



There are 120 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 810 cents. How many 8-cent stamps are there?



There are 180 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1000 cents. How many 4-cent stamps are there?

There are 180 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1320 cents. How many 7-cent stamps are there?



There are 230 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1540 cents. How many 8-cent stamps are there?



오늘 6원짜리 3원짜리 우표 총 140 장을 사고, 660 원을 지불 했을때, 몇개의 6원짜리 우표를 샀는가?



There are 200 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1440 cents. How many 8-cent stamps are there?



There are 270 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1870 cents. How many 5-cent stamps are there?

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