616  Stamp
How many stamps? 2

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There are 200 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1240 cents. How many 8-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1230 cents. How many 5-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?



There are 150 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1100 cents. How many 7-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 700 cents. How many 3-cent stamps are there?



There are 200 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1450 cents. How many 7-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1200 cents. How many 5-cent stamps are there?



오늘 4원짜리 9원짜리 우표 총 130 장을 사고, 820 원을 지불 했을때, 몇개의 4원짜리 우표를 샀는가?



There are 150 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1120 cents. How many 8-cent stamps are there?



There are 260 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1580 cents. How many 7-cent stamps are there?



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616    110 90 100 100 140 ( 540 )   150 120 70 70 140 ( 550 )   [[ 1090 ]]