211  Stamp
How many stamps? 2

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There are 190 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1640 cents. How many 8-cent stamps are there?



There are 190 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 640 cents. How many 4-cent stamps are there?



There are 150 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 960 cents. How many 5-cent stamps are there?



There are 240 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 960 cents. How many 3-cent stamps are there?



There are 260 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1630 cents. How many 5-cent stamps are there?



There are 200 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1490 cents. How many 7-cent stamps are there?



There are 210 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1650 cents. How many 6-cent stamps are there?



오늘 5원짜리 6원짜리 우표 총 190 장을 사고, 1020 원을 지불 했을때, 몇개의 5원짜리 우표를 샀는가?



There are 180 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1140 cents. How many 8-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1180 cents. How many 8-cent stamps are there?



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211    70 70 80 120 150 ( 490 )   110 80 120 80 110 ( 500 )   [[ 990 ]]