795  Stamp
How many stamps? 2

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There are 250 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 1120 cents. How many 4-cent stamps are there?



There are 180 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1120 cents. How many 4-cent stamps are there?



There are 250 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1380 cents. How many 5-cent stamps are there?



There are 160 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 550 cents. How many 4-cent stamps are there?



There are 220 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1430 cents. How many 6-cent stamps are there?



There are 220 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 960 cents. How many 3-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 840 cents. How many 3-cent stamps are there?



오늘 5원짜리 3원짜리 우표 총 240 장을 사고, 960 원을 지불 했을때, 몇개의 5원짜리 우표를 샀는가?



There are 180 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1230 cents. How many 8-cent stamps are there?



There are 230 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1360 cents. How many 4-cent stamps are there?



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795    130 100 120 70 110 ( 530 )   120 140 120 110 120 ( 610 )   [[ 1140 ]]