697  Stamp
How many stamps? 2

Name : _________________

refresh

There are 240 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1320 cents. How many 3-cent stamps are there?



There are 180 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 810 cents. How many 3-cent stamps are there?



There are 240 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1330 cents. How many 6-cent stamps are there?



There are 220 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 1240 cents. How many 4-cent stamps are there?



There are 200 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 890 cents. How many 4-cent stamps are there?

There are 170 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 800 cents. How many 5-cent stamps are there?



There are 200 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1360 cents. How many 8-cent stamps are there?



오늘 3원짜리 4원짜리 우표 총 220 장을 사고, 770 원을 지불 했을때, 몇개의 3원짜리 우표를 샀는가?



There are 220 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1620 cents. How many 8-cent stamps are there?



There are 180 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 920 cents. How many 4-cent stamps are there?

+(         )

(         )+

++[[          ]]++