500  Stamp
How many stamps? 2

Name : _________________

 

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There are 160 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1100 cents. How many 8-cent stamps are there?



There are 190 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1280 cents. How many 5-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1580 cents. How many 8-cent stamps are there?



There are 200 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1280 cents. How many 7-cent stamps are there?



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



There are 230 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1520 cents. How many 8-cent stamps are there?



There are 230 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1480 cents. How many 7-cent stamps are there?



오늘 8원짜리 6원짜리 우표 총 200 장을 사고, 1480 원을 지불 했을때, 몇개의 8원짜리 우표를 샀는가?



There are 180 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1240 cents. How many 8-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1360 cents. How many 5-cent stamps are there?



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500    100 80 130 80 100 ( 490 )   150 100 140 80 90 ( 560 )   [[ 1050 ]]