959  Stamp
How many stamps? 2

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There are 210 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1750 cents. How many 8-cent stamps are there?



There are 250 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 2130 cents. How many 8-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1760 cents. How many 8-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1030 cents. How many 8-cent stamps are there?



There are 200 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1250 cents. How many 8-cent stamps are there?



There are 260 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 1300 cents. How many 3-cent stamps are there?



There are 230 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1390 cents. How many 8-cent stamps are there?



오늘 8원짜리 4원짜리 우표 총 140 장을 사고, 920 원을 지불 했을때, 몇개의 8원짜리 우표를 샀는가?



There are 210 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 910 cents. How many 3-cent stamps are there?



There are 230 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1160 cents. How many 6-cent stamps are there?



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959    140 120 130 80 130 ( 600 )   130 140 90 140 120 ( 620 )   [[ 1220 ]]