206  Stamp
How many stamps? 2

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There are 150 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 880 cents. How many 8-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1560 cents. How many 8-cent stamps are there?



There are 200 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 960 cents. How many 4-cent stamps are there?



There are 210 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1320 cents. How many 6-cent stamps are there?



There are 160 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 910 cents. How many 6-cent stamps are there?



There are 160 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1050 cents. How many 6-cent stamps are there?



There are 160 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 590 cents. How many 4-cent stamps are there?



오늘 5원짜리 3원짜리 우표 총 140 장을 사고, 560 원을 지불 했을때, 몇개의 5원짜리 우표를 샀는가?



There are 150 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1140 cents. How many 6-cent stamps are there?



There are 260 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 1230 cents. How many 6-cent stamps are there?



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206    70 90 120 150 110 ( 540 )   70 110 70 70 150 ( 470 )   [[ 1010 ]]