|
There are 210 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1110 cents. How many 5-cent stamps are there?
There are 230 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1710 cents. How many 6-cent stamps are there?
There are 200 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 990 cents. How many 6-cent stamps are there?
There are 210 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 810 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 260 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1800 cents. How many 6-cent stamps are there?
There are 230 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 1140 cents. How many 6-cent stamps are there?
¿À´Ã 4¿øÂ¥¸® 8¿øÂ¥¸® ¿ìÇ¥ ÃÑ 230 ÀåÀ» »ç°í, 1440 ¿øÀ» ÁöºÒ ÇßÀ»¶§, ¸î°³ÀÇ 4¿øÂ¥¸® ¿ìÇ¥¸¦ »ò´Â°¡?
There are 210 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1260 cents. How many 5-cent stamps are there?
There are 230 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 820 cents. How many 4-cent stamps are there?
|