128  Stamp
How many stamps? 2

Name : _________________

refresh

There are 260 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1560 cents. How many 4-cent stamps are there?



There are 240 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1530 cents. How many 6-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 830 cents. How many 3-cent stamps are there?



There are 190 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1210 cents. How many 6-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1770 cents. How many 8-cent stamps are there?

There are 150 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1040 cents. How many 6-cent stamps are there?



There are 170 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1120 cents. How many 6-cent stamps are there?



오늘 8원짜리 9원짜리 우표 총 200 장을 사고, 1700 원을 지불 했을때, 몇개의 8원짜리 우표를 샀는가?



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



There are 250 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1500 cents. How many 8-cent stamps are there?

+(         )

(         )+

++[[          ]]++