783  Stamp
How many stamps? 2

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There are 190 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 890 cents. How many 5-cent stamps are there?



There are 250 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1450 cents. How many 5-cent stamps are there?



There are 130 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 770 cents. How many 5-cent stamps are there?



There are 220 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 770 cents. How many 4-cent stamps are there?



There are 160 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 970 cents. How many 7-cent stamps are there?



There are 230 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1170 cents. How many 7-cent stamps are there?



There are 160 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 660 cents. How many 5-cent stamps are there?



오늘 7원짜리 4원짜리 우표 총 200 장을 사고, 1040 원을 지불 했을때, 몇개의 7원짜리 우표를 샀는가?



There are 270 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1560 cents. How many 4-cent stamps are there?



There are 210 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1360 cents. How many 4-cent stamps are there?



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783    130 150 70 110 110 ( 570 )   120 90 80 150 80 ( 520 )   [[ 1090 ]]