902  Stamp
How many stamps? 2

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There are 260 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1420 cents. How many 5-cent stamps are there?



There are 190 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1120 cents. How many 7-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 850 cents. How many 3-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1200 cents. How many 5-cent stamps are there?



There are 250 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1860 cents. How many 7-cent stamps are there?



There are 140 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1000 cents. How many 8-cent stamps are there?



There are 230 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1210 cents. How many 7-cent stamps are there?



오늘 7원짜리 6원짜리 우표 총 220 장을 사고, 1420 원을 지불 했을때, 몇개의 7원짜리 우표를 샀는가?



There are 200 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1150 cents. How many 4-cent stamps are there?



There are 250 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1610 cents. How many 6-cent stamps are there?



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902    140 120 150 120 140 ( 670 )   80 130 100 130 140 ( 580 )   [[ 1250 ]]