918  Stamp
How many stamps? 2

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There are 270 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1490 cents. How many 6-cent stamps are there?



There are 200 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1110 cents. How many 6-cent stamps are there?



There are 260 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1690 cents. How many 8-cent stamps are there?



There are 180 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 780 cents. How many 6-cent stamps are there?



There are 230 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1510 cents. How many 8-cent stamps are there?



There are 230 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1280 cents. How many 6-cent stamps are there?



There are 200 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1160 cents. How many 7-cent stamps are there?



오늘 6원짜리 4원짜리 우표 총 190 장을 사고, 940 원을 지불 했을때, 몇개의 6원짜리 우표를 샀는가?



There are 270 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1500 cents. How many 7-cent stamps are there?



There are 200 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 1040 cents. How many 4-cent stamps are there?



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918    140 110 130 80 120 ( 580 )   130 140 90 140 120 ( 620 )   [[ 1200 ]]