577  Stamp
How many stamps? 1

Name : _________________

refresh

There are 200 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1530 cents. How many 8-cent stamps are there?



There are 150 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 850 cents. How many 5-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1420 cents. How many 8-cent stamps are there?



There are 270 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1370 cents. How many 7-cent stamps are there?



There are 250 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1610 cents. How many 6-cent stamps are there?

There are 220 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1400 cents. How many 7-cent stamps are there?



There are 260 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 1000 cents. How many 3-cent stamps are there?



There are 150 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 700 cents. How many 3-cent stamps are there?



There are 220 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1480 cents. How many 6-cent stamps are there?



There are 220 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1260 cents. How many 3-cent stamps are there?

+(         )

(         )+

++[[          ]]++