796  Stamp
How many stamps? 2

Name : _________________

 

refresh

There are 180 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 640 cents. How many 3-cent stamps are there?



There are 180 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 620 cents. How many 4-cent stamps are there?



There are 170 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 950 cents. How many 5-cent stamps are there?



There are 240 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1330 cents. How many 5-cent stamps are there?



There are 230 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 910 cents. How many 3-cent stamps are there?



There are 200 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 730 cents. How many 4-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 720 cents. How many 3-cent stamps are there?



¿À´Ã 4¿øÂ¥¸® 3¿øÂ¥¸® ¿ìÇ¥ ÃÑ 250 ÀåÀ» »ç°í, 890 ¿øÀ» ÁöºÒ ÇßÀ»¶§, ¸î°³ÀÇ 4¿øÂ¥¸® ¿ìÇ¥¸¦ »ò´Â°¡?



There are 250 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1530 cents. How many 3-cent stamps are there?



There are 160 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 940 cents. How many 7-cent stamps are there?



+(         )

 

(         )+

++[[          ]]++

796    130 80 70 110 120 ( 510 )   130 80 140 120 70 ( 540 )   [[ 1050 ]]