357  Stamp
How many stamps? 2

Name : _________________

 

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There are 170 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1050 cents. How many 3-cent stamps are there?



There are 130 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 450 cents. How many 3-cent stamps are there?



There are 190 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 840 cents. How many 4-cent stamps are there?



There are 230 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1090 cents. How many 7-cent stamps are there?



There are 210 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1270 cents. How many 5-cent stamps are there?



There are 240 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1640 cents. How many 5-cent stamps are there?



There are 120 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 740 cents. How many 7-cent stamps are there?



¿À´Ã 4¿øÂ¥¸® 9¿øÂ¥¸® ¿ìÇ¥ ÃÑ 240 ÀåÀ» »ç°í, 1610 ¿øÀ» ÁöºÒ ÇßÀ»¶§, ¸î°³ÀÇ 4¿øÂ¥¸® ¿ìÇ¥¸¦ »ò´Â°¡?



There are 280 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1940 cents. How many 6-cent stamps are there?



There are 200 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 960 cents. How many 7-cent stamps are there?



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357    80 70 110 100 100 ( 460 )   130 70 110 150 90 ( 550 )   [[ 1010 ]]