895  Stamp
How many stamps? 2

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There are 250 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 1220 cents. How many 4-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 900 cents. How many 3-cent stamps are there?



There are 230 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 790 cents. How many 3-cent stamps are there?



There are 200 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1300 cents. How many 6-cent stamps are there?



There are 150 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 630 cents. How many 5-cent stamps are there?



There are 190 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 810 cents. How many 3-cent stamps are there?



There are 120 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 570 cents. How many 6-cent stamps are there?



오늘 7원짜리 5원짜리 우표 총 240 장을 사고, 1440 원을 지불 했을때, 몇개의 7원짜리 우표를 샀는가?



There are 210 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1390 cents. How many 7-cent stamps are there?



There are 240 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1860 cents. How many 7-cent stamps are there?



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895    140 100 130 100 90 ( 560 )   110 70 120 130 150 ( 580 )   [[ 1140 ]]