955  Stamp
How many stamps? 2

Name : _________________

 

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There are 210 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1610 cents. How many 8-cent stamps are there?



There are 190 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1230 cents. How many 3-cent stamps are there?



There are 150 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 780 cents. How many 4-cent stamps are there?



There are 250 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1640 cents. How many 8-cent stamps are there?



There are 140 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1000 cents. How many 8-cent stamps are there?



There are 260 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1920 cents. How many 6-cent stamps are there?



There are 230 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1300 cents. How many 6-cent stamps are there?



오늘 7원짜리 9원짜리 우표 총 270 장을 사고, 2150 원을 지불 했을때, 몇개의 7원짜리 우표를 샀는가?



There are 190 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 890 cents. How many 3-cent stamps are there?



There are 140 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1170 cents. How many 8-cent stamps are there?



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955    140 80 90 130 80 ( 520 )   140 150 140 110 90 ( 630 )   [[ 1150 ]]