703  Stamp
How many stamps? 2

Name : _________________

refresh

There are 220 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1140 cents. How many 7-cent stamps are there?



There are 150 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1170 cents. How many 7-cent stamps are there?



There are 210 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1340 cents. How many 4-cent stamps are there?



There are 220 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1330 cents. How many 7-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1070 cents. How many 8-cent stamps are there?

There are 170 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 820 cents. How many 4-cent stamps are there?



There are 150 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 810 cents. How many 7-cent stamps are there?



오늘 3원짜리 7원짜리 우표 총 220 장을 사고, 1060 원을 지불 했을때, 몇개의 3원짜리 우표를 샀는가?



There are 150 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 800 cents. How many 6-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1200 cents. How many 8-cent stamps are there?

+(         )

(         )+

++[[          ]]++