296  Stamp
How many stamps? 2

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There are 200 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1060 cents. How many 5-cent stamps are there?



There are 180 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 940 cents. How many 4-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1340 cents. How many 5-cent stamps are there?



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



There are 250 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1990 cents. How many 7-cent stamps are there?



There are 170 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1030 cents. How many 5-cent stamps are there?



There are 230 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1270 cents. How many 6-cent stamps are there?



오늘 3원짜리 6원짜리 우표 총 160 장을 사고, 660 원을 지불 했을때, 몇개의 3원짜리 우표를 샀는가?



There are 170 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1460 cents. How many 8-cent stamps are there?



There are 130 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 580 cents. How many 4-cent stamps are there?



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296    140 70 100 70 130 ( 510 )   80 120 100 70 70 ( 440 )   [[ 950 ]]