543  Stamp
How many stamps? 2

Name : _________________

refresh

There are 230 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1770 cents. How many 6-cent stamps are there?



There are 210 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1290 cents. How many 5-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 870 cents. How many 3-cent stamps are there?



There are 190 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 770 cents. How many 3-cent stamps are there?



There are 230 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1330 cents. How many 5-cent stamps are there?

There are 280 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1940 cents. How many 6-cent stamps are there?



There are 240 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1470 cents. How many 8-cent stamps are there?



오늘 8원짜리 4원짜리 우표 총 220 장을 사고, 1280 원을 지불 했을때, 몇개의 8원짜리 우표를 샀는가?



There are 150 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 690 cents. How many 6-cent stamps are there?



There are 280 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 1270 cents. How many 5-cent stamps are there?

+(         )

(         )+

++[[          ]]++