819  Leg-Stamp
닭다리 개다리 1

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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 440 legs. How many chickens are there?



There are 150 heads of Chickens and Dogs together. Altogether there are 520 legs. How many chickens are there?



There are 120 heads of Chickens and Dogs together. Altogether there are 300 legs. How many chickens are there?



There are 150 heads of Chickens and Dogs together. Altogether there are 380 legs. How many chickens are there?

There are 200 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1120 cents. How many 6-cent stamps are there?



There are 240 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1800 cents. How many 6-cent stamps are there?



There are 180 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1220 cents. How many 5-cent stamps are there?



There are 240 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1500 cents. How many 3-cent stamps are there?



There are 200 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1360 cents. How many 8-cent stamps are there?

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