267  Stamp
How many stamps? 2

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There are 160 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 660 cents. How many 3-cent stamps are there?



There are 170 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 710 cents. How many 3-cent stamps are there?



There are 210 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1290 cents. How many 5-cent stamps are there?



There are 200 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1270 cents. How many 7-cent stamps are there?



There are 200 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1120 cents. How many 8-cent stamps are there?



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



There are 150 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1150 cents. How many 7-cent stamps are there?



오늘 4원짜리 8원짜리 우표 총 200 장을 사고, 1160 원을 지불 했을때, 몇개의 4원짜리 우표를 샀는가?



There are 170 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 970 cents. How many 5-cent stamps are there?



There are 240 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1310 cents. How many 5-cent stamps are there?



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267    100 70 150 70 80 ( 470 )   120 100 110 110 130 ( 570 )   [[ 1040 ]]