647  Stamp
How many stamps? 2

Name : _________________

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There are 210 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1250 cents. How many 5-cent stamps are there?



There are 250 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1490 cents. How many 5-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1420 cents. How many 5-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1360 cents. How many 5-cent stamps are there?



There are 190 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1070 cents. How many 5-cent stamps are there?

There are 270 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1610 cents. How many 5-cent stamps are there?



There are 250 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 1200 cents. How many 4-cent stamps are there?



오늘 3원짜리 7원짜리 우표 총 160 장을 사고, 720 원을 지불 했을때, 몇개의 3원짜리 우표를 샀는가?



There are 210 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1590 cents. How many 7-cent stamps are there?



There are 240 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1380 cents. How many 3-cent stamps are there?

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