686  Stamp
How many stamps? 2

Name : _________________

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There are 250 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1230 cents. How many 7-cent stamps are there?



There are 220 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1480 cents. How many 6-cent stamps are there?



There are 230 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1740 cents. How many 6-cent stamps are there?



There are 180 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1100 cents. How many 7-cent stamps are there?



There are 210 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1160 cents. How many 5-cent stamps are there?

There are 160 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1030 cents. How many 7-cent stamps are there?



There are 260 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 1170 cents. How many 5-cent stamps are there?



오늘 4원짜리 3원짜리 우표 총 240 장을 사고, 840 원을 지불 했을때, 몇개의 4원짜리 우표를 샀는가?



There are 170 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 910 cents. How many 7-cent stamps are there?



There are 180 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 970 cents. How many 6-cent stamps are there?

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