607  Stamp
How many stamps? 2

Name : _________________

 

refresh

There are 190 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1120 cents. How many 8-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?



There are 240 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 1080 cents. How many 4-cent stamps are there?



There are 270 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1740 cents. How many 5-cent stamps are there?



There are 230 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1360 cents. How many 4-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1170 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?



오늘 6원짜리 7원짜리 우표 총 180 장을 사고, 1150 원을 지불 했을때, 몇개의 6원짜리 우표를 샀는가?



There are 240 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1480 cents. How many 7-cent stamps are there?



There are 160 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 820 cents. How many 4-cent stamps are there?



+(         )

 

(         )+

++[[          ]]++

607    110 110 120 140 120 ( 600 )   120 70 110 140 100 ( 540 )   [[ 1140 ]]