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There are 220 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1110 cents. How many 8-cent stamps are there?
There are 120 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 430 cents. How many 4-cent stamps are there?
There are 210 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 830 cents. How many 3-cent stamps are there?
There are 240 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1570 cents. How many 6-cent stamps are there?
There are 170 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1260 cents. How many 8-cent stamps are there?
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There are 190 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1200 cents. How many 6-cent stamps are there?
There are 190 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 730 cents. How many 5-cent stamps are there?
¿À´Ã 5¿øÂ¥¸® 3¿øÂ¥¸® ¿ìÇ¥ ÃÑ 170 ÀåÀ» »ç°í, 750 ¿øÀ» ÁöºÒ ÇßÀ»¶§, ¸î°³ÀÇ 5¿øÂ¥¸® ¿ìÇ¥¸¦ »ò´Â°¡?
There are 190 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1050 cents. How many 3-cent stamps are there?
There are 250 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1380 cents. How many 5-cent stamps are there?
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