240  Leg-Stamp
닭다리 개다리 1

Name : _________________

refresh

There are 110 heads of Chickens and Dogs together. Altogether there are 300 legs. How many chickens are there?



There are 140 heads of Chickens and Dogs together. Altogether there are 380 legs. How many chickens are there?



There are 270 heads of Chickens and Dogs together. Altogether there are 800 legs. How many chickens are there?



There are 90 heads of Chickens and Dogs together. Altogether there are 280 legs. How many chickens are there?



There are 180 heads of Chickens and Dogs together. Altogether there are 580 legs. How many chickens are there?

There are 240 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1330 cents. How many 6-cent stamps are there?



There are 240 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 850 cents. How many 4-cent stamps are there?



There are 200 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 750 cents. How many 4-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 940 cents. How many 5-cent stamps are there?



There are 170 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 840 cents. How many 6-cent stamps are there?

+(         )

(         )+

++[[          ]]++