622  Stamp
How many stamps? 2

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There are 170 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 730 cents. How many 5-cent stamps are there?



There are 120 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 410 cents. How many 3-cent stamps are there?



There are 150 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 750 cents. How many 3-cent stamps are there?



There are 130 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 730 cents. How many 6-cent stamps are there?



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 210 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1360 cents. How many 7-cent stamps are there?



There are 190 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 660 cents. How many 4-cent stamps are there?



오늘 6원짜리 7원짜리 우표 총 160 장을 사고, 1030 원을 지불 했을때, 몇개의 6원짜리 우표를 샀는가?



There are 160 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1230 cents. How many 8-cent stamps are there?



There are 140 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 880 cents. How many 8-cent stamps are there?



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622    110 70 100 80 80 ( 440 )   100 90 90 110 80 ( 470 )   [[ 910 ]]