343  Leg-Stamp
닭다리 개다리 1

Name : _________________

refresh

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



There are 150 heads of Chickens and Dogs together. Altogether there are 400 legs. How many chickens are there?



There are 140 heads of Chickens and Dogs together. Altogether there are 440 legs. How many chickens are there?



There are 210 heads of Chickens and Dogs together. Altogether there are 560 legs. How many chickens are there?



There are 160 heads of Chickens and Dogs together. Altogether there are 380 legs. How many chickens are there?

There are 230 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 800 cents. How many 3-cent stamps are there?



There are 190 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1160 cents. How many 4-cent stamps are there?



There are 140 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 620 cents. How many 4-cent stamps are there?



There are 180 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1290 cents. How many 6-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1400 cents. How many 5-cent stamps are there?

+(         )

(         )+

++[[          ]]++