496  Leg-Stamp
닭다리 개다리 1

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There are 190 heads of Chickens and Dogs together. Altogether there are 620 legs. How many chickens are there?



There are 190 heads of Chickens and Dogs together. Altogether there are 520 legs. How many chickens are there?



There are 190 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 380 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 220 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1280 cents. How many 7-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1600 cents. How many 8-cent stamps are there?



There are 210 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1230 cents. How many 7-cent stamps are there?



There are 190 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 910 cents. How many 4-cent stamps are there?



There are 180 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1400 cents. How many 7-cent stamps are there?

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