194  Stamp
How many stamps? 2

Name : _________________

 

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There are 180 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1160 cents. How many 4-cent stamps are there?



There are 200 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1160 cents. How many 7-cent stamps are there?



There are 260 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1600 cents. How many 7-cent stamps are there?



There are 170 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1090 cents. How many 6-cent stamps are there?



There are 190 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 850 cents. How many 4-cent stamps are there?



There are 170 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1010 cents. How many 8-cent stamps are there?



There are 230 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 810 cents. How many 4-cent stamps are there?



¿À´Ã 8¿øÂ¥¸® 9¿øÂ¥¸® ¿ìÇ¥ ÃÑ 150 ÀåÀ» »ç°í, 1280 ¿øÀ» ÁöºÒ ÇßÀ»¶§, ¸î°³ÀÇ 8¿øÂ¥¸® ¿ìÇ¥¸¦ »ò´Â°¡?



There are 210 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 1140 cents. How many 4-cent stamps are there?



There are 140 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1080 cents. How many 7-cent stamps are there?



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194    70 140 150 100 100 ( 560 )   100 120 70 110 90 ( 490 )   [[ 1050 ]]