886  Stamp
How many stamps? 2

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There are 200 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 690 cents. How many 3-cent stamps are there?



There are 230 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1240 cents. How many 3-cent stamps are there?



There are 180 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 920 cents. How many 4-cent stamps are there?



There are 190 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 820 cents. How many 3-cent stamps are there?



There are 240 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 1100 cents. How many 5-cent stamps are there?



There are 270 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 2030 cents. How many 8-cent stamps are there?



There are 140 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 560 cents. How many 3-cent stamps are there?



오늘 7원짜리 8원짜리 우표 총 250 장을 사고, 1870 원을 지불 했을때, 몇개의 7원짜리 우표를 샀는가?



There are 210 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 870 cents. How many 3-cent stamps are there?



There are 150 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 550 cents. How many 4-cent stamps are there?



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886    110 120 80 140 140 ( 590 )   140 70 130 130 100 ( 570 )   [[ 1160 ]]