498  Stamp
How many stamps? 2

Name : _________________

 

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There are 240 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1530 cents. How many 6-cent stamps are there?



There are 240 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 1070 cents. How many 4-cent stamps are there?



There are 200 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 880 cents. How many 5-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?



There are 190 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1200 cents. How many 4-cent stamps are there?



There are 270 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1900 cents. How many 8-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1580 cents. How many 8-cent stamps are there?



오늘 8원짜리 7원짜리 우표 총 150 장을 사고, 1150 원을 지불 했을때, 몇개의 8원짜리 우표를 샀는가?



There are 150 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 810 cents. How many 5-cent stamps are there?



There are 160 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 660 cents. How many 3-cent stamps are there?



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498    150 130 140 80 80 ( 580 )   140 130 100 90 70 ( 530 )   [[ 1110 ]]