561  Stamp
How many stamps? 2

Name : _________________

 

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There are 190 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1410 cents. How many 6-cent stamps are there?



There are 180 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 920 cents. How many 4-cent stamps are there?



There are 220 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1060 cents. How many 6-cent stamps are there?



There are 210 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1400 cents. How many 6-cent stamps are there?



There are 170 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1180 cents. How many 4-cent stamps are there?



There are 140 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 690 cents. How many 6-cent stamps are there?



There are 170 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1080 cents. How many 6-cent stamps are there?



¿À´Ã 5¿øÂ¥¸® 6¿øÂ¥¸® ¿ìÇ¥ ÃÑ 210 ÀåÀ» »ç°í, 1180 ¿øÀ» ÁöºÒ ÇßÀ»¶§, ¸î°³ÀÇ 5¿øÂ¥¸® ¿ìÇ¥¸¦ »ò´Â°¡?



There are 230 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1920 cents. How many 8-cent stamps are there?



There are 180 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 840 cents. How many 4-cent stamps are there?



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561    100 130 90 140 70 ( 530 )   90 110 80 150 120 ( 550 )   [[ 1080 ]]