280  Leg-Stamp
닭다리 개다리 1

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There are 140 heads of Chickens and Dogs together. Altogether there are 460 legs. How many chickens are there?



There are 170 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 170 heads of Chickens and Dogs together. Altogether there are 580 legs. How many chickens are there?



There are 130 heads of Chickens and Dogs together. Altogether there are 340 legs. How many chickens are there?

There are 250 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 1170 cents. How many 6-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 180 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1190 cents. How many 6-cent stamps are there?



There are 220 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 970 cents. How many 4-cent stamps are there?



There are 160 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 530 cents. How many 3-cent stamps are there?

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