632  Stamp
How many stamps? 2

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There are 190 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 980 cents. How many 6-cent stamps are there?



There are 160 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 550 cents. How many 4-cent stamps are there?



There are 210 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1590 cents. How many 7-cent stamps are there?



There are 130 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 980 cents. How many 8-cent stamps are there?



There are 170 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1110 cents. How many 7-cent stamps are there?



There are 230 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1250 cents. How many 6-cent stamps are there?



There are 250 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1870 cents. How many 7-cent stamps are there?



오늘 6원짜리 5원짜리 우표 총 150 장을 사고, 840 원을 지불 했을때, 몇개의 6원짜리 우표를 샀는가?



There are 140 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 580 cents. How many 5-cent stamps are there?



There are 190 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1040 cents. How many 6-cent stamps are there?



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632    110 70 90 70 90 ( 430 )   100 130 90 80 90 ( 490 )   [[ 920 ]]