475  Stamp
How many stamps? 2

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There are 180 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1280 cents. How many 8-cent stamps are there?



There are 200 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1360 cents. How many 5-cent stamps are there?



There are 170 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1030 cents. How many 7-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 190 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 930 cents. How many 3-cent stamps are there?



There are 260 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1430 cents. How many 8-cent stamps are there?



There are 190 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 870 cents. How many 6-cent stamps are there?



오늘 8원짜리 4원짜리 우표 총 150 장을 사고, 1000 원을 지불 했을때, 몇개의 8원짜리 우표를 샀는가?



There are 220 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1520 cents. How many 8-cent stamps are there?



There are 190 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 900 cents. How many 3-cent stamps are there?



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475    100 80 90 80 130 ( 480 )   130 100 100 140 80 ( 550 )   [[ 1030 ]]