260  Stamp
How many stamps? 2

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There are 150 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 670 cents. How many 5-cent stamps are there?



There are 270 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 1090 cents. How many 5-cent stamps are there?



There are 250 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1890 cents. How many 8-cent stamps are there?



There are 150 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 690 cents. How many 5-cent stamps are there?



There are 230 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 1070 cents. How many 5-cent stamps are there?



There are 140 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 880 cents. How many 5-cent stamps are there?



There are 260 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 1140 cents. How many 3-cent stamps are there?



오늘 6원짜리 3원짜리 우표 총 240 장을 사고, 1170 원을 지불 했을때, 몇개의 6원짜리 우표를 샀는가?



There are 150 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 700 cents. How many 5-cent stamps are there?



There are 180 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1200 cents. How many 5-cent stamps are there?



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260    70 140 140 90 150 ( 590 )   80 140 150 100 80 ( 550 )   [[ 1140 ]]