955  Leg-Stamp
닭다리 개다리 1

Name : _________________

refresh

There are 180 heads of Chickens and Dogs together. Altogether there are 460 legs. How many chickens are there?



There are 100 heads of Chickens and Dogs together. Altogether there are 320 legs. How many chickens are there?



There are 200 heads of Chickens and Dogs together. Altogether there are 580 legs. How many chickens are there?



There are 80 heads of Chickens and Dogs together. Altogether there are 220 legs. How many chickens are there?



There are 160 heads of Chickens and Dogs together. Altogether there are 400 legs. How many chickens are there?

There are 160 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 710 cents. How many 4-cent stamps are there?



There are 240 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 1240 cents. How many 7-cent stamps are there?



There are 180 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 870 cents. How many 6-cent stamps are there?



There are 250 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 870 cents. How many 4-cent stamps are there?



There are 160 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 820 cents. How many 6-cent stamps are there?

+(         )

(         )+

++[[          ]]++