708  Stamp
How many stamps? 2

Name : _________________

 

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There are 220 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1860 cents. How many 8-cent stamps are there?



There are 150 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 500 cents. How many 3-cent stamps are there?



There are 210 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1240 cents. How many 4-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 750 cents. How many 3-cent stamps are there?



There are 190 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 750 cents. How many 3-cent stamps are there?



There are 180 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1370 cents. How many 8-cent stamps are there?



There are 230 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1360 cents. How many 4-cent stamps are there?



오늘 7원짜리 4원짜리 우표 총 150 장을 사고, 810 원을 지불 했을때, 몇개의 7원짜리 우표를 샀는가?



There are 210 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 900 cents. How many 3-cent stamps are there?



There are 230 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1480 cents. How many 7-cent stamps are there?



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708    120 100 110 150 100 ( 580 )   110 120 70 120 100 ( 520 )   [[ 1100 ]]