998  Stamp
How many stamps? 2

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There are 200 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 1070 cents. How many 4-cent stamps are there?



There are 190 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 900 cents. How many 5-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1280 cents. How many 3-cent stamps are there?



There are 180 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1140 cents. How many 5-cent stamps are there?



There are 270 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 2150 cents. How many 7-cent stamps are there?



There are 170 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1050 cents. How many 3-cent stamps are there?



There are 230 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1410 cents. How many 3-cent stamps are there?



오늘 8원짜리 6원짜리 우표 총 160 장을 사고, 1120 원을 지불 했을때, 몇개의 8원짜리 우표를 샀는가?



There are 180 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 900 cents. How many 7-cent stamps are there?



There are 180 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1020 cents. How many 6-cent stamps are there?



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998    110 140 80 120 140 ( 590 )   80 110 80 90 120 ( 480 )   [[ 1070 ]]