127  Stamp
How many stamps? 2

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There are 170 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1140 cents. How many 6-cent stamps are there?



There are 190 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1050 cents. How many 6-cent stamps are there?



There are 190 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1100 cents. How many 5-cent stamps are there?



There are 170 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1090 cents. How many 5-cent stamps are there?



There are 160 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 580 cents. How many 4-cent stamps are there?



There are 170 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1010 cents. How many 3-cent stamps are there?



There are 230 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 820 cents. How many 4-cent stamps are there?



오늘 3원짜리 5원짜리 우표 총 130 장을 사고, 510 원을 지불 했을때, 몇개의 3원짜리 우표를 샀는가?



There are 220 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1500 cents. How many 5-cent stamps are there?



There are 200 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1150 cents. How many 5-cent stamps are there?



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127    110 100 140 90 100 ( 540 )   70 130 70 120 150 ( 540 )   [[ 1080 ]]