292  Stamp
How many stamps? 2

Name : _________________

 

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There are 140 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1020 cents. How many 6-cent stamps are there?



There are 250 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1700 cents. How many 8-cent stamps are there?



There are 160 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 860 cents. How many 6-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1480 cents. How many 8-cent stamps are there?



There are 240 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1720 cents. How many 5-cent stamps are there?



There are 180 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1480 cents. How many 7-cent stamps are there?



There are 140 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 480 cents. How many 3-cent stamps are there?



¿À´Ã 7¿øÂ¥¸® 8¿øÂ¥¸® ¿ìÇ¥ ÃÑ 240 ÀåÀ» »ç°í, 1800 ¿øÀ» ÁöºÒ ÇßÀ»¶§, ¸î°³ÀÇ 7¿øÂ¥¸® ¿ìÇ¥¸¦ »ò´Â°¡?



There are 130 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 790 cents. How many 8-cent stamps are there?



There are 190 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1020 cents. How many 3-cent stamps are there?



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292    80 150 110 110 110 ( 560 )   70 80 120 80 100 ( 450 )   [[ 1010 ]]