196  Stamp
How many stamps? 2

Name : _________________

refresh

There are 170 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 920 cents. How many 6-cent stamps are there?



There are 210 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1140 cents. How many 5-cent stamps are there?



There are 180 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 930 cents. How many 6-cent stamps are there?



There are 210 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1320 cents. How many 6-cent stamps are there?



There are 240 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1440 cents. How many 5-cent stamps are there?

There are 210 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 870 cents. How many 3-cent stamps are there?



There are 220 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1160 cents. How many 6-cent stamps are there?



오늘 6원짜리 9원짜리 우표 총 200 장을 사고, 1470 원을 지불 했을때, 몇개의 6원짜리 우표를 샀는가?



There are 270 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 2020 cents. How many 7-cent stamps are there?



There are 210 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1110 cents. How many 7-cent stamps are there?

+(         )

(         )+

++[[          ]]++