953  Leg-Stamp
닭다리 개다리 1

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There are 250 heads of Chickens and Dogs together. Altogether there are 740 legs. How many chickens are there?



There are 230 heads of Chickens and Dogs together. Altogether there are 680 legs. How many chickens are there?



There are 110 heads of Chickens and Dogs together. Altogether there are 280 legs. How many chickens are there?



There are 170 heads of Chickens and Dogs together. Altogether there are 600 legs. How many chickens are there?



There are 160 heads of Chickens and Dogs together. Altogether there are 440 legs. How many chickens are there?

There are 150 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1000 cents. How many 4-cent stamps are there?



There are 170 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 780 cents. How many 6-cent stamps are there?



There are 120 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 550 cents. How many 5-cent stamps are there?



There are 180 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 720 cents. How many 5-cent stamps are there?



There are 140 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 990 cents. How many 6-cent stamps are there?

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