207  Stamp
How many stamps? 2

Name : _________________

refresh

There are 120 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 890 cents. How many 7-cent stamps are there?



There are 230 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1510 cents. How many 5-cent stamps are there?



There are 170 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1180 cents. How many 6-cent stamps are there?



There are 240 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1780 cents. How many 7-cent stamps are there?



There are 220 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1210 cents. How many 3-cent stamps are there?

There are 160 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1170 cents. How many 7-cent stamps are there?



There are 220 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 740 cents. How many 3-cent stamps are there?



오늘 6원짜리 5원짜리 우표 총 230 장을 사고, 1260 원을 지불 했을때, 몇개의 6원짜리 우표를 샀는가?



There are 250 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1760 cents. How many 6-cent stamps are there?



There are 250 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 1050 cents. How many 5-cent stamps are there?

+(         )

(         )+

++[[          ]]++