556  Stamp
How many stamps? 1

Name : _________________

refresh

There are 230 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 1080 cents. How many 3-cent stamps are there?



There are 220 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1490 cents. How many 8-cent stamps are there?



There are 220 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 930 cents. How many 6-cent stamps are there?



There are 220 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 1060 cents. How many 4-cent stamps are there?



There are 210 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1170 cents. How many 5-cent stamps are there?

There are 230 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1390 cents. How many 8-cent stamps are there?



There are 200 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1450 cents. How many 8-cent stamps are there?



There are 250 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 1150 cents. How many 5-cent stamps are there?



There are 280 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 2110 cents. How many 8-cent stamps are there?



There are 160 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 620 cents. How many 3-cent stamps are there?

+(         )

(         )+

++[[          ]]++