103  Stamp
How many stamps? 2

Name : _________________

refresh

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 230 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 790 cents. How many 3-cent stamps are there?



There are 150 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 870 cents. How many 7-cent stamps are there?



There are 260 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 910 cents. How many 4-cent stamps are there?



There are 250 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 1190 cents. How many 3-cent stamps are there?

There are 220 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 950 cents. How many 4-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 850 cents. How many 3-cent stamps are there?



오늘 4원짜리 6원짜리 우표 총 200 장을 사고, 900 원을 지불 했을때, 몇개의 4원짜리 우표를 샀는가?



There are 220 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1490 cents. How many 8-cent stamps are there?



There are 270 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1590 cents. How many 3-cent stamps are there?

+(         )

(         )+

++[[          ]]++