344  Stamp
How many stamps? 2

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There are 160 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 800 cents. How many 4-cent stamps are there?



There are 270 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1410 cents. How many 7-cent stamps are there?



There are 200 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1320 cents. How many 5-cent stamps are there?



There are 240 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1570 cents. How many 6-cent stamps are there?



There are 140 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 910 cents. How many 7-cent stamps are there?



There are 130 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 810 cents. How many 7-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 920 cents. How many 5-cent stamps are there?



오늘 6원짜리 8원짜리 우표 총 180 장을 사고, 1180 원을 지불 했을때, 몇개의 6원짜리 우표를 샀는가?



There are 160 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 960 cents. How many 7-cent stamps are there?



There are 180 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 790 cents. How many 5-cent stamps are there?



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344    80 150 120 110 70 ( 530 )   80 130 130 80 70 ( 490 )   [[ 1020 ]]