926  Stamp
How many stamps? 2

Name : _________________

 

refresh

There are 220 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1240 cents. How many 6-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1610 cents. How many 8-cent stamps are there?



There are 280 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 2370 cents. How many 8-cent stamps are there?



There are 180 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1240 cents. How many 8-cent stamps are there?



There are 180 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1180 cents. How many 7-cent stamps are there?



There are 190 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1150 cents. How many 5-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1640 cents. How many 8-cent stamps are there?



¿À´Ã 6¿øÂ¥¸® 8¿øÂ¥¸® ¿ìÇ¥ ÃÑ 210 ÀåÀ» »ç°í, 1380 ¿øÀ» ÁöºÒ ÇßÀ»¶§, ¸î°³ÀÇ 6¿øÂ¥¸® ¿ìÇ¥¸¦ »ò´Â°¡?



There are 210 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 940 cents. How many 4-cent stamps are there?



There are 220 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1830 cents. How many 8-cent stamps are there?



+(         )

 

(         )+

++[[          ]]++

926    140 100 150 130 100 ( 620 )   140 70 150 110 150 ( 620 )   [[ 1240 ]]