703  Stamp
How many stamps? 2

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There are 230 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1400 cents. How many 8-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 890 cents. How many 3-cent stamps are there?



There are 160 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 890 cents. How many 6-cent stamps are there?



There are 250 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1670 cents. How many 8-cent stamps are there?



There are 150 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 520 cents. How many 3-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1130 cents. How many 8-cent stamps are there?



There are 190 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1130 cents. How many 5-cent stamps are there?



오늘 5원짜리 6원짜리 우표 총 280 장을 사고, 1530 원을 지불 했을때, 몇개의 5원짜리 우표를 샀는가?



There are 190 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1040 cents. How many 6-cent stamps are there?



There are 180 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 820 cents. How many 4-cent stamps are there?



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703    120 80 90 140 80 ( 510 )   100 100 150 90 80 ( 520 )   [[ 1030 ]]