334  Leg-Stamp
닭다리 개다리 1

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There are 110 heads of Chickens and Dogs together. Altogether there are 340 legs. How many chickens are there?



There are 190 heads of Chickens and Dogs together. Altogether there are 560 legs. How many chickens are there?



There are 190 heads of Chickens and Dogs together. Altogether there are 640 legs. How many chickens are there?



There are 160 heads of Chickens and Dogs together. Altogether there are 420 legs. How many chickens are there?



There are 230 heads of Chickens and Dogs together. Altogether there are 700 legs. How many chickens are there?

There are 190 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1220 cents. How many 7-cent stamps are there?



There are 140 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 650 cents. How many 5-cent stamps are there?



There are 230 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1630 cents. How many 5-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 960 cents. How many 3-cent stamps are there?



There are 160 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 710 cents. How many 4-cent stamps are there?

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