194  Stamp
How many stamps? 2

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There are 130 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 890 cents. How many 5-cent stamps are there?



There are 200 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 1020 cents. How many 6-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 700 cents. How many 3-cent stamps are there?



There are 200 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 840 cents. How many 5-cent stamps are there?



There are 130 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 820 cents. How many 4-cent stamps are there?



There are 160 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 850 cents. How many 4-cent stamps are there?



There are 120 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 510 cents. How many 3-cent stamps are there?



오늘 7원짜리 6원짜리 우표 총 220 장을 사고, 1460 원을 지불 했을때, 몇개의 7원짜리 우표를 샀는가?



There are 230 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1630 cents. How many 5-cent stamps are there?



There are 260 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1430 cents. How many 6-cent stamps are there?



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194    70 140 100 120 70 ( 500 )   90 70 140 110 130 ( 540 )   [[ 1040 ]]