206  Leg-Stamp
닭다리 개다리 1

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There are 160 heads of Chickens and Dogs together. Altogether there are 560 legs. How many chickens are there?



There are 90 heads of Chickens and Dogs together. Altogether there are 260 legs. How many chickens are there?



There are 190 heads of Chickens and Dogs together. Altogether there are 500 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 260 heads of Chickens and Dogs together. Altogether there are 760 legs. How many chickens are there?

There are 160 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 580 cents. How many 4-cent stamps are there?



There are 230 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1570 cents. How many 8-cent stamps are there?



There are 180 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1360 cents. How many 7-cent stamps are there?



There are 240 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 1000 cents. How many 5-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 850 cents. How many 3-cent stamps are there?

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