943  Stamp
How many stamps? 2

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There are 260 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1800 cents. How many 6-cent stamps are there?



There are 150 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1120 cents. How many 7-cent stamps are there?



There are 130 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 460 cents. How many 4-cent stamps are there?



There are 230 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 870 cents. How many 3-cent stamps are there?



There are 200 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 950 cents. How many 8-cent stamps are there?



There are 280 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1640 cents. How many 4-cent stamps are there?



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



오늘 8원짜리 5원짜리 우표 총 150 장을 사고, 990 원을 지불 했을때, 몇개의 8원짜리 우표를 샀는가?



There are 240 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1270 cents. How many 3-cent stamps are there?



There are 150 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 960 cents. How many 8-cent stamps are there?



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943    140 80 70 140 70 ( 500 )   150 100 80 130 90 ( 550 )   [[ 1050 ]]