776  Stamp
How many stamps? 2

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There are 180 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 930 cents. How many 6-cent stamps are there?



There are 200 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1300 cents. How many 6-cent stamps are there?



There are 160 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1030 cents. How many 8-cent stamps are there?



There are 170 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 890 cents. How many 7-cent stamps are there?



There are 230 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1360 cents. How many 8-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 880 cents. How many 5-cent stamps are there?



There are 190 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1260 cents. How many 6-cent stamps are there?



오늘 6원짜리 9원짜리 우표 총 190 장을 사고, 1470 원을 지불 했을때, 몇개의 6원짜리 우표를 샀는가?



There are 170 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1290 cents. How many 7-cent stamps are there?



There are 190 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 870 cents. How many 5-cent stamps are there?



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776    130 100 110 70 110 ( 520 )   110 130 80 120 110 ( 550 )   [[ 1070 ]]