348  Stamp
How many stamps? 2

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There are 150 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 960 cents. How many 5-cent stamps are there?



There are 220 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 990 cents. How many 4-cent stamps are there?



There are 130 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 860 cents. How many 8-cent stamps are there?



There are 180 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 940 cents. How many 4-cent stamps are there?



There are 120 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 810 cents. How many 8-cent stamps are there?



There are 200 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1520 cents. How many 7-cent stamps are there?



There are 150 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 680 cents. How many 5-cent stamps are there?



오늘 5원짜리 8원짜리 우표 총 190 장을 사고, 1130 원을 지불 했을때, 몇개의 5원짜리 우표를 샀는가?



There are 200 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 780 cents. How many 3-cent stamps are there?



There are 130 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 830 cents. How many 6-cent stamps are there?



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348    80 110 70 70 70 ( 400 )   80 80 130 110 80 ( 480 )   [[ 880 ]]