907  Stamp
How many stamps? 2

Name : _________________

refresh

There are 200 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 920 cents. How many 4-cent stamps are there?



There are 230 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1470 cents. How many 4-cent stamps are there?



There are 200 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1280 cents. How many 5-cent stamps are there?



There are 200 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 680 cents. How many 4-cent stamps are there?



There are 170 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 750 cents. How many 5-cent stamps are there?

There are 250 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1610 cents. How many 5-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 940 cents. How many 5-cent stamps are there?



오늘 8원짜리 5원짜리 우표 총 170 장을 사고, 1180 원을 지불 했을때, 몇개의 8원짜리 우표를 샀는가?



There are 180 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 950 cents. How many 5-cent stamps are there?



There are 180 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1140 cents. How many 3-cent stamps are there?

+(         )

(         )+

++[[          ]]++