133  Stamp
How many stamps? 2

Name : _________________

 

refresh

There are 190 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1220 cents. How many 7-cent stamps are there?



There are 230 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1750 cents. How many 8-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1080 cents. How many 8-cent stamps are there?



There are 200 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1200 cents. How many 7-cent stamps are there?



There are 200 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1200 cents. How many 5-cent stamps are there?



There are 210 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 1060 cents. How many 4-cent stamps are there?



There are 230 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1580 cents. How many 8-cent stamps are there?



오늘 6원짜리 4원짜리 우표 총 160 장을 사고, 820 원을 지불 했을때, 몇개의 6원짜리 우표를 샀는가?



There are 260 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1410 cents. How many 5-cent stamps are there?



There are 170 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 590 cents. How many 3-cent stamps are there?



+(         )

 

(         )+

++[[          ]]++

133    80 140 90 100 150 ( 560 )   100 100 90 150 90 ( 530 )   [[ 1090 ]]