|
There are 190 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 1120 cents. How many 4-cent stamps are there?
There are 220 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1630 cents. How many 8-cent stamps are there?
There are 180 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 860 cents. How many 3-cent stamps are there?
There are 270 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 2290 cents. How many 8-cent stamps are there?
There are 160 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 980 cents. How many 7-cent stamps are there?
|
There are 230 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 1080 cents. How many 3-cent stamps are there?
There are 200 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1690 cents. How many 8-cent stamps are there?
¿À´Ã 8¿øÂ¥¸® 9¿øÂ¥¸® ¿ìÇ¥ ÃÑ 200 ÀåÀ» »ç°í, 1650 ¿øÀ» ÁöºÒ ÇßÀ»¶§, ¸î°³ÀÇ 8¿øÂ¥¸® ¿ìÇ¥¸¦ »ò´Â°¡?
There are 190 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1600 cents. How many 8-cent stamps are there?
There are 200 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1530 cents. How many 6-cent stamps are there?
|