296  Stamp
How many stamps? 2

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There are 180 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 990 cents. How many 8-cent stamps are there?



There are 240 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 990 cents. How many 3-cent stamps are there?



There are 170 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1130 cents. How many 5-cent stamps are there?



There are 230 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1440 cents. How many 8-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 1030 cents. How many 5-cent stamps are there?



There are 180 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1040 cents. How many 7-cent stamps are there?



There are 190 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1120 cents. How many 7-cent stamps are there?



오늘 8원짜리 9원짜리 우표 총 200 장을 사고, 1680 원을 지불 했을때, 몇개의 8원짜리 우표를 샀는가?



There are 230 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 1140 cents. How many 6-cent stamps are there?



There are 150 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 550 cents. How many 3-cent stamps are there?



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296    90 150 100 150 150 ( 640 )   70 120 120 150 100 ( 560 )   [[ 1200 ]]