879  Stamp
How many stamps? 2

Name : _________________

refresh

There are 210 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 770 cents. How many 4-cent stamps are there?



There are 180 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 630 cents. How many 4-cent stamps are there?



There are 190 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1250 cents. How many 6-cent stamps are there?



There are 130 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 440 cents. How many 3-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1320 cents. How many 3-cent stamps are there?

There are 210 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 1050 cents. How many 6-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?



오늘 6원짜리 4원짜리 우표 총 190 장을 사고, 1020 원을 지불 했을때, 몇개의 6원짜리 우표를 샀는가?



There are 170 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 920 cents. How many 6-cent stamps are there?



There are 220 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 1050 cents. How many 3-cent stamps are there?

+(         )

(         )+

++[[          ]]++