794  Leg-Stamp
닭다리 개다리 1

Name : _________________

refresh

There are 170 heads of Chickens and Dogs together. Altogether there are 460 legs. How many chickens are there?



There are 150 heads of Chickens and Dogs together. Altogether there are 460 legs. How many chickens are there?



There are 250 heads of Chickens and Dogs together. Altogether there are 720 legs. How many chickens are there?



There are 120 heads of Chickens and Dogs together. Altogether there are 320 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 200 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1320 cents. How many 7-cent stamps are there?



There are 240 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1570 cents. How many 6-cent stamps are there?



There are 180 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 840 cents. How many 6-cent stamps are there?



There are 160 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 590 cents. How many 4-cent stamps are there?



There are 140 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 980 cents. How many 5-cent stamps are there?

+(         )

(         )+

++[[          ]]++