843  Stamp
How many stamps? 2

Name : _________________

 

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There are 190 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 810 cents. How many 3-cent stamps are there?



There are 170 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1260 cents. How many 8-cent stamps are there?



There are 130 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 720 cents. How many 4-cent stamps are there?



There are 220 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1460 cents. How many 8-cent stamps are there?



There are 250 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1510 cents. How many 5-cent stamps are there?



There are 170 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1010 cents. How many 7-cent stamps are there?



There are 240 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1700 cents. How many 8-cent stamps are there?



오늘 5원짜리 9원짜리 우표 총 180 장을 사고, 1100 원을 지불 했을때, 몇개의 5원짜리 우표를 샀는가?



There are 200 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 880 cents. How many 4-cent stamps are there?



There are 260 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 1300 cents. How many 4-cent stamps are there?



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843    130 70 80 120 120 ( 520 )   110 130 130 120 130 ( 620 )   [[ 1140 ]]