951  Stamp
How many stamps? 2

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There are 190 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1370 cents. How many 8-cent stamps are there?



There are 160 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 830 cents. How many 3-cent stamps are there?



There are 160 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 800 cents. How many 7-cent stamps are there?



There are 260 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 1280 cents. How many 4-cent stamps are there?



There are 230 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1230 cents. How many 5-cent stamps are there?



There are 270 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1370 cents. How many 7-cent stamps are there?



There are 170 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1430 cents. How many 8-cent stamps are there?



오늘 3원짜리 6원짜리 우표 총 270 장을 사고, 1170 원을 지불 했을때, 몇개의 3원짜리 우표를 샀는가?



There are 190 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1090 cents. How many 7-cent stamps are there?



There are 200 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1310 cents. How many 6-cent stamps are there?



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951    140 90 80 140 150 ( 600 )   140 100 150 110 90 ( 590 )   [[ 1190 ]]