431  Stamp
How many stamps? 2

Name : _________________

refresh

There are 150 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 900 cents. How many 4-cent stamps are there?



There are 150 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 650 cents. How many 5-cent stamps are there?



There are 200 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1490 cents. How many 7-cent stamps are there?



There are 230 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1600 cents. How many 6-cent stamps are there?



There are 190 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1220 cents. How many 5-cent stamps are there?

There are 180 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1070 cents. How many 4-cent stamps are there?



There are 200 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1240 cents. How many 5-cent stamps are there?



오늘 5원짜리 3원짜리 우표 총 260 장을 사고, 1060 원을 지불 했을때, 몇개의 5원짜리 우표를 샀는가?



There are 190 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 870 cents. How many 3-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?

+(         )

(         )+

++[[          ]]++