118  Stamp
How many stamps? 2

Name : _________________

refresh

There are 170 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1410 cents. How many 8-cent stamps are there?



There are 160 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1220 cents. How many 8-cent stamps are there?



There are 230 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1530 cents. How many 7-cent stamps are there?



There are 220 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1560 cents. How many 6-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 230 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1970 cents. How many 8-cent stamps are there?



There are 160 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1140 cents. How many 6-cent stamps are there?



오늘 8원짜리 5원짜리 우표 총 220 장을 사고, 1490 원을 지불 했을때, 몇개의 8원짜리 우표를 샀는가?



There are 190 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1370 cents. How many 8-cent stamps are there?



There are 240 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1460 cents. How many 4-cent stamps are there?

+(         )

(         )+

++[[          ]]++