826  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 210 heads of Chickens and Dogs together. Altogether there are 580 legs. How many chickens are there?



There are 210 heads of Chickens and Dogs together. Altogether there are 660 legs. How many chickens are there?



There are 180 heads of Chickens and Dogs together. Altogether there are 440 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 160 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 920 cents. How many 8-cent stamps are there?



There are 250 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1770 cents. How many 5-cent stamps are there?



There are 220 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1180 cents. How many 6-cent stamps are there?



There are 170 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 610 cents. How many 4-cent stamps are there?



There are 210 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 1020 cents. How many 3-cent stamps are there?

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