886  Stamp
How many stamps? 2

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There are 240 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1440 cents. How many 7-cent stamps are there?



There are 180 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 850 cents. How many 5-cent stamps are there?



There are 160 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1080 cents. How many 5-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 970 cents. How many 5-cent stamps are there?



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



There are 200 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1380 cents. How many 6-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1340 cents. How many 8-cent stamps are there?



오늘 4원짜리 9원짜리 우표 총 250 장을 사고, 1550 원을 지불 했을때, 몇개의 4원짜리 우표를 샀는가?



There are 200 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1310 cents. How many 7-cent stamps are there?



There are 250 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1450 cents. How many 8-cent stamps are there?



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886    120 130 90 90 130 ( 560 )   140 100 140 110 140 ( 630 )   [[ 1190 ]]