789  Stamp
How many stamps? 2

Name : _________________

 

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There are 190 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1010 cents. How many 5-cent stamps are there?



There are 260 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 1110 cents. How many 3-cent stamps are there?



There are 180 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1200 cents. How many 7-cent stamps are there?



There are 180 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1190 cents. How many 6-cent stamps are there?



There are 200 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1040 cents. How many 6-cent stamps are there?



There are 200 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1260 cents. How many 7-cent stamps are there?



There are 200 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1560 cents. How many 6-cent stamps are there?



¿À´Ã 7¿øÂ¥¸® 9¿øÂ¥¸® ¿ìÇ¥ ÃÑ 190 ÀåÀ» »ç°í, 1450 ¿øÀ» ÁöºÒ ÇßÀ»¶§, ¸î°³ÀÇ 7¿øÂ¥¸® ¿ìÇ¥¸¦ »ò´Â°¡?



There are 240 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1770 cents. How many 7-cent stamps are there?



There are 250 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1240 cents. How many 6-cent stamps are there?



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789    130 150 120 70 120 ( 590 )   130 80 130 150 120 ( 610 )   [[ 1200 ]]