182  Leg-Stamp
닭다리 개다리 1

Name : _________________

refresh

There are 120 heads of Chickens and Dogs together. Altogether there are 400 legs. How many chickens are there?



There are 150 heads of Chickens and Dogs together. Altogether there are 480 legs. How many chickens are there?



There are 110 heads of Chickens and Dogs together. Altogether there are 360 legs. How many chickens are there?



There are 190 heads of Chickens and Dogs together. Altogether there are 580 legs. How many chickens are there?



There are 180 heads of Chickens and Dogs together. Altogether there are 600 legs. How many chickens are there?

There are 250 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1600 cents. How many 8-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1080 cents. How many 3-cent stamps are there?



There are 150 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 600 cents. How many 3-cent stamps are there?



There are 180 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1200 cents. How many 3-cent stamps are there?



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

+(         )

(         )+

++[[          ]]++