674  Stamp
How many stamps? 2

Name : _________________

refresh

There are 220 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1650 cents. How many 6-cent stamps are there?



There are 240 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 1000 cents. How many 5-cent stamps are there?



There are 230 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1440 cents. How many 4-cent stamps are there?



There are 220 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1520 cents. How many 8-cent stamps are there?



There are 280 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1420 cents. How many 6-cent stamps are there?

There are 140 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 760 cents. How many 5-cent stamps are there?



There are 170 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1420 cents. How many 8-cent stamps are there?



오늘 5원짜리 4원짜리 우표 총 200 장을 사고, 940 원을 지불 했을때, 몇개의 5원짜리 우표를 샀는가?



There are 200 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1400 cents. How many 4-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1260 cents. How many 5-cent stamps are there?

+(         )

(         )+

++[[          ]]++