788  Stamp
How many stamps? 2

Name : _________________

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There are 210 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 1080 cents. How many 4-cent stamps are there?



There are 270 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1680 cents. How many 4-cent stamps are there?



There are 140 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 910 cents. How many 4-cent stamps are there?



There are 160 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1000 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?

There are 180 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 810 cents. How many 4-cent stamps are there?



There are 210 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1130 cents. How many 6-cent stamps are there?



오늘 4원짜리 5원짜리 우표 총 150 장을 사고, 670 원을 지불 했을때, 몇개의 4원짜리 우표를 샀는가?



There are 170 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1010 cents. How many 3-cent stamps are there?



There are 140 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 780 cents. How many 3-cent stamps are there?

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