951  Stamp
How many stamps? 1

Name : _________________

refresh

There are 130 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 720 cents. How many 6-cent stamps are there?



There are 230 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1410 cents. How many 3-cent stamps are there?



There are 280 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 1140 cents. How many 5-cent stamps are there?



There are 190 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1100 cents. How many 5-cent stamps are there?



There are 210 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 790 cents. How many 5-cent stamps are there?

There are 180 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1160 cents. How many 7-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 190 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1110 cents. How many 7-cent stamps are there?



There are 180 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 610 cents. How many 4-cent stamps are there?



There are 250 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1630 cents. How many 7-cent stamps are there?

+(         )

(         )+

++[[          ]]++