852  Stamp
How many stamps? 2

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There are 230 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 890 cents. How many 3-cent stamps are there?



There are 130 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 800 cents. How many 8-cent stamps are there?



There are 180 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 1020 cents. How many 4-cent stamps are there?



There are 140 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 940 cents. How many 5-cent stamps are there?



There are 200 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 960 cents. How many 6-cent stamps are there?



There are 200 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 940 cents. How many 4-cent stamps are there?



There are 250 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 1140 cents. How many 5-cent stamps are there?



오늘 7원짜리 6원짜리 우표 총 200 장을 사고, 1330 원을 지불 했을때, 몇개의 7원짜리 우표를 샀는가?



There are 230 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1350 cents. How many 5-cent stamps are there?



There are 200 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1070 cents. How many 6-cent stamps are there?



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852    130 70 80 80 120 ( 480 )   130 140 130 130 70 ( 600 )   [[ 1080 ]]