962  Stamp
How many stamps? 1

Name : _________________

refresh

There are 250 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 890 cents. How many 4-cent stamps are there?



There are 180 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 690 cents. How many 3-cent stamps are there?



There are 180 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 820 cents. How many 4-cent stamps are there?



There are 210 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1230 cents. How many 7-cent stamps are there?



There are 180 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1300 cents. How many 6-cent stamps are there?

There are 200 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 1040 cents. How many 3-cent stamps are there?



There are 220 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 1060 cents. How many 3-cent stamps are there?



There are 230 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 1010 cents. How many 4-cent stamps are there?



There are 140 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 910 cents. How many 6-cent stamps are there?



There are 140 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 580 cents. How many 5-cent stamps are there?

+(         )

(         )+

++[[          ]]++