648  Stamp
How many stamps? 2

Name : _________________

 

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There are 190 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1220 cents. How many 6-cent stamps are there?



There are 220 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 930 cents. How many 6-cent stamps are there?



There are 180 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1280 cents. How many 8-cent stamps are there?



There are 250 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 880 cents. How many 4-cent stamps are there?



There are 220 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1430 cents. How many 4-cent stamps are there?



There are 130 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 660 cents. How many 6-cent stamps are there?



There are 230 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1290 cents. How many 3-cent stamps are there?



¿À´Ã 4¿øÂ¥¸® 8¿øÂ¥¸® ¿ìÇ¥ ÃÑ 270 ÀåÀ» »ç°í, 1600 ¿øÀ» ÁöºÒ ÇßÀ»¶§, ¸î°³ÀÇ 4¿øÂ¥¸® ¿ìÇ¥¸¦ »ò´Â°¡?



There are 220 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1200 cents. How many 5-cent stamps are there?



There are 200 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1250 cents. How many 6-cent stamps are there?



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648    110 90 100 130 110 ( 540 )   70 110 140 120 150 ( 590 )   [[ 1130 ]]