595  Stamp
How many stamps? 2

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There are 210 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 730 cents. How many 3-cent stamps are there?



There are 160 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 920 cents. How many 8-cent stamps are there?



There are 190 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1510 cents. How many 7-cent stamps are there?



There are 160 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 730 cents. How many 4-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 780 cents. How many 3-cent stamps are there?



There are 210 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1170 cents. How many 7-cent stamps are there?



There are 170 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1110 cents. How many 8-cent stamps are there?



오늘 7원짜리 4원짜리 우표 총 200 장을 사고, 1040 원을 지불 했을때, 몇개의 7원짜리 우표를 샀는가?



There are 260 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 1400 cents. How many 4-cent stamps are there?



There are 170 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1160 cents. How many 8-cent stamps are there?



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595    110 70 100 70 110 ( 460 )   110 120 80 140 70 ( 520 )   [[ 980 ]]