327  Stamp
How many stamps? 2

Name : _________________

 

refresh

There are 230 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1600 cents. How many 8-cent stamps are there?



There are 170 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 610 cents. How many 4-cent stamps are there?



There are 210 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1410 cents. How many 5-cent stamps are there?



There are 200 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1260 cents. How many 6-cent stamps are there?



There are 160 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 880 cents. How many 3-cent stamps are there?



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



오늘 5원짜리 3원짜리 우표 총 220 장을 사고, 960 원을 지불 했을때, 몇개의 5원짜리 우표를 샀는가?



There are 170 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1030 cents. How many 5-cent stamps are there?



There are 200 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 920 cents. How many 4-cent stamps are there?



+(         )

 

(         )+

++[[          ]]++

327    150 100 90 140 80 ( 560 )   90 80 150 110 140 ( 570 )   [[ 1130 ]]