974  Stamp
How many stamps? 2

Name : _________________

 

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There are 270 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 1260 cents. How many 6-cent stamps are there?



There are 210 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1080 cents. How many 6-cent stamps are there?



There are 250 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1400 cents. How many 8-cent stamps are there?



There are 170 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1290 cents. How many 6-cent stamps are there?



There are 240 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1590 cents. How many 8-cent stamps are there?



There are 220 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1140 cents. How many 6-cent stamps are there?



There are 200 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1500 cents. How many 7-cent stamps are there?



¿À´Ã 6¿øÂ¥¸® 9¿øÂ¥¸® ¿ìÇ¥ ÃÑ 200 ÀåÀ» »ç°í, 1500 ¿øÀ» ÁöºÒ ÇßÀ»¶§, ¸î°³ÀÇ 6¿øÂ¥¸® ¿ìÇ¥¸¦ »ò´Â°¡?



There are 260 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 2060 cents. How many 7-cent stamps are there?



There are 190 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 970 cents. How many 4-cent stamps are there?



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974    150 120 130 80 130 ( 610 )   130 150 100 140 120 ( 640 )   [[ 1250 ]]