573  Stamp
How many stamps? 2

Name : _________________

refresh

There are 190 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 790 cents. How many 5-cent stamps are there?



There are 190 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1010 cents. How many 4-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 270 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 1070 cents. How many 3-cent stamps are there?



There are 240 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 1140 cents. How many 6-cent stamps are there?

There are 260 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1410 cents. How many 5-cent stamps are there?



There are 230 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1250 cents. How many 6-cent stamps are there?



오늘 7원짜리 5원짜리 우표 총 210 장을 사고, 1310 원을 지불 했을때, 몇개의 7원짜리 우표를 샀는가?



There are 260 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1480 cents. How many 8-cent stamps are there?



There are 220 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 960 cents. How many 4-cent stamps are there?

+(         )

(         )+

++[[          ]]++