135  Stamp
How many stamps? 1

Name : _________________

refresh

There are 200 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1400 cents. How many 4-cent stamps are there?



There are 210 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1190 cents. How many 6-cent stamps are there?



There are 150 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1060 cents. How many 6-cent stamps are there?



There are 240 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 1050 cents. How many 3-cent stamps are there?



There are 150 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 830 cents. How many 5-cent stamps are there?

There are 210 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 870 cents. How many 3-cent stamps are there?



There are 240 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 1110 cents. How many 6-cent stamps are there?



There are 240 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1220 cents. How many 3-cent stamps are there?



There are 200 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 900 cents. How many 4-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1130 cents. How many 8-cent stamps are there?

+(         )

(         )+

++[[          ]]++