196  Stamp
How many stamps? 2

Name : _________________

 

refresh

There are 160 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 550 cents. How many 4-cent stamps are there?



There are 190 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 990 cents. How many 6-cent stamps are there?



There are 250 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1300 cents. How many 6-cent stamps are there?



There are 160 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 690 cents. How many 3-cent stamps are there?



There are 220 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1160 cents. How many 6-cent stamps are there?



There are 250 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 990 cents. How many 5-cent stamps are there?



There are 190 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 970 cents. How many 3-cent stamps are there?



오늘 5원짜리 9원짜리 우표 총 240 장을 사고, 1560 원을 지불 했을때, 몇개의 5원짜리 우표를 샀는가?



There are 270 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1510 cents. How many 8-cent stamps are there?



There are 190 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 890 cents. How many 5-cent stamps are there?



+(         )

 

(         )+

++[[          ]]++

196    70 140 150 90 140 ( 590 )   120 110 150 140 130 ( 650 )   [[ 1240 ]]