699  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 1000 cents. How many 6-cent stamps are there?



There are 210 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 950 cents. How many 7-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 980 cents. How many 5-cent stamps are there?



There are 160 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1040 cents. How many 8-cent stamps are there?



There are 230 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1960 cents. How many 8-cent stamps are there?



There are 160 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1200 cents. How many 6-cent stamps are there?



There are 200 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 950 cents. How many 8-cent stamps are there?



오늘 8원짜리 6원짜리 우표 총 190 장을 사고, 1380 원을 지불 했을때, 몇개의 8원짜리 우표를 샀는가?



There are 250 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1400 cents. How many 4-cent stamps are there?



There are 120 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 750 cents. How many 5-cent stamps are there?



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699    120 80 100 100 110 ( 510 )   80 70 120 150 70 ( 490 )   [[ 1000 ]]