199  Stamp
How many stamps? 2

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There are 200 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1340 cents. How many 8-cent stamps are there?



There are 210 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1260 cents. How many 5-cent stamps are there?



There are 230 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 1040 cents. How many 4-cent stamps are there?



There are 230 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1520 cents. How many 7-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1460 cents. How many 8-cent stamps are there?



There are 200 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1150 cents. How many 8-cent stamps are there?



There are 200 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1460 cents. How many 6-cent stamps are there?



오늘 5원짜리 4원짜리 우표 총 200 장을 사고, 910 원을 지불 했을때, 몇개의 5원짜리 우표를 샀는가?



There are 190 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 830 cents. How many 5-cent stamps are there?



There are 160 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 780 cents. How many 6-cent stamps are there?



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199    70 140 110 140 100 ( 560 )   110 70 110 70 100 ( 460 )   [[ 1020 ]]