405  Stamp
How many stamps? 2

Name : _________________

refresh

There are 150 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1020 cents. How many 6-cent stamps are there?



There are 220 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 920 cents. How many 3-cent stamps are there?



There are 260 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1820 cents. How many 8-cent stamps are there?



There are 180 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1380 cents. How many 6-cent stamps are there?



There are 240 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1200 cents. How many 7-cent stamps are there?

There are 180 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1550 cents. How many 8-cent stamps are there?



There are 200 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1090 cents. How many 6-cent stamps are there?



오늘 4원짜리 6원짜리 우표 총 230 장을 사고, 1080 원을 지불 했을때, 몇개의 4원짜리 우표를 샀는가?



There are 200 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1160 cents. How many 7-cent stamps are there?



There are 180 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1080 cents. How many 7-cent stamps are there?

+(         )

(         )+

++[[          ]]++