697  Stamp
How many stamps? 2

Name : _________________

 

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There are 240 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1320 cents. How many 6-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 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 220 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1480 cents. How many 8-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 800 cents. How many 3-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1360 cents. How many 8-cent stamps are there?



There are 210 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1000 cents. How many 6-cent stamps are there?



¿À´Ã 5¿øÂ¥¸® 7¿øÂ¥¸® ¿ìÇ¥ ÃÑ 210 ÀåÀ» »ç°í, 1230 ¿øÀ» ÁöºÒ ÇßÀ»¶§, ¸î°³ÀÇ 5¿øÂ¥¸® ¿ìÇ¥¸¦ »ò´Â°¡?



There are 180 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1120 cents. How many 5-cent stamps are there?



There are 150 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1150 cents. How many 7-cent stamps are there?



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697    120 100 150 150 100 ( 620 )   110 80 120 70 100 ( 480 )   [[ 1100 ]]