860  Stamp
How many stamps? 1

Name : _________________

refresh

There are 160 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 780 cents. How many 6-cent stamps are there?



There are 220 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1850 cents. How many 8-cent stamps are there?



There are 190 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1170 cents. How many 5-cent stamps are there?



There are 130 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 600 cents. How many 6-cent stamps are there?



There are 180 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1370 cents. How many 7-cent stamps are there?

There are 180 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 990 cents. How many 4-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1280 cents. How many 8-cent stamps are there?



There are 270 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 1110 cents. How many 5-cent stamps are there?



There are 180 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 780 cents. How many 3-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1200 cents. How many 3-cent stamps are there?

+(         )

(         )+

++[[          ]]++